Add copespell ignores and fix stubs

Author: tannewt

ports/atmel-samd/Makefile

@@ -169,7 +169,7 @@ LIBS += -lm
 endif
 
 ifeq ($(CHIP_FAMILY), samd21)
-LDFLAGS += -mthumb -mcpu=cortex-m0plus -Lasf/thirdparty/CMSIS/Lib/GCC/
+LDFLAGS += -mthumb -mcpu=cortex-m0plus -Lasf/thirdparty/CMSIS/Lib/GCC/ # codespell:ignore thirdparty
 BOOTLOADER_SIZE := 0x2000
 else ifeq ($(CHIP_FAMILY), samd51)
 LDFLAGS += -mthumb -mcpu=cortex-m4

ports/cxd56/mkspk/clefia.c

@@ -466,16 +466,16 @@ int clefiakeyset(unsigned char *rk, const unsigned char *skey) {
 
 void clefiaencrypt(unsigned char *ct, const unsigned char *pt,
     const unsigned char *rk, const int r) {
-    unsigned char rin[16];
+    unsigned char r_in[16];
     unsigned char rout[16];
 
-    bytecpy(rin, pt, 16);
+    bytecpy(r_in, pt, 16);
 
-    bytexor(rin + 4, rin + 4, rk + 0, 4); /* initial key whitening */
-    bytexor(rin + 12, rin + 12, rk + 4, 4);
+    bytexor(r_in + 4, r_in + 4, rk + 0, 4); /* initial key whitening */
+    bytexor(r_in + 12, r_in + 12, rk + 4, 4);
     rk += 8;
 
-    clefiagfn4(rout, rin, rk, r); /* GFN_{4,r} */
+    clefiagfn4(rout, r_in, rk, r); /* GFN_{4,r} */
 
     bytecpy(ct, rout, 16);
     bytexor(ct + 4, ct + 4, rk + r * 8 + 0, 4); /* final key whitening */

ports/espressif/tools/update_sdkconfig.py

@@ -321,7 +321,7 @@ def update(debug, board, update_all):  # noqa: C901: too complex
             if print_debug:
                 print("  " * len(current_group), i, config_string.strip())
 
-            # Some files are `rsource`d into another kconfig with $IDF_TARGET as
+            # Some files are `rsource`d into another kconfig with $IDF_TARGET as  # codespell:ignore rsource
             # part of the path. kconfiglib doesn't show this as a reference so
             # we have to look ourselves.
             target_reference = target in item.name_and_loc

py/makeqstrdata.py

@@ -51,7 +51,7 @@
     954: "kappa", 8656: "lArr", 955: "lambda", 9001: "lang", 171: "laquo", 8592: "larr", 8968: "lceil",
     8220: "ldquo", 8804: "le", 8970: "lfloor", 8727: "lowast", 9674: "loz", 8206: "lrm", 8249: "lsaquo",
     8216: "lsquo", 60: "lt", 175: "macr", 8212: "mdash", 181: "micro", 183: "middot", 8722: "minus",
-    956: "mu", 8711: "nabla", 160: "nbsp", 8211: "ndash", 8800: "ne", 8715: "ni", 172: "not", 8713: "notin",
+    956: "mu", 8711: "nabla", 160: "nbsp", 8211: "ndash", 8800: "ne", 8715: "ni", 172: "not", 8713: "notin",  # codespell:ignore notin
     8836: "nsub", 241: "ntilde", 957: "nu", 243: "oacute", 244: "ocirc", 339: "oelig", 242: "ograve",
     8254: "oline", 969: "omega", 959: "omicron", 8853: "oplus", 8744: "or", 170: "ordf", 186: "ordm",
     248: "oslash", 245: "otilde", 8855: "otimes", 246: "ouml", 182: "para", 8706: "part", 8240: "permil",

shared-bindings/i2cioexpander/IOExpander.c

@@ -211,8 +211,8 @@ MP_PROPERTY_GETSET(i2cioexpander_ioexpander_output_mask_obj,
     (mp_obj_t)&i2cioexpander_ioexpander_set_output_mask_obj);
 
 //|     @property
-//|     def pins(self) -> Tuple[DigitalInOutProtocol, ...]:
-//|         """A tuple of pin objects that implement the DigitalInOutProtocol.
+//|     def pins(self) -> Tuple[IOPin, ...]:
+//|         """A tuple of `IOPin` objects that implement the DigitalInOutProtocol.
 //|         Each pin can be used like a digitalio.DigitalInOut object."""
 //|         ...
 static mp_obj_t i2cioexpander_ioexpander_obj_get_pins(mp_obj_t self_in) {