xx20 boards: reintroduce hwseq for flashprog

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

Author: tlaurion

boards/t420-hotp-maximized/t420-hotp-maximized.config

@@ -67,7 +67,7 @@ export CONFIG_BOOT_KERNEL_ADD=""
 export CONFIG_BOOT_KERNEL_REMOVE="intel_iommu=on intel_iommu=igfx_off"
 export CONFIG_BOOT_DEV="/dev/sda1"
 export CONFIG_BOARD_NAME="ThinkPad T420-hotp-maximized"
-export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal"
+export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal:ich_spi_mode=hwseq"
 
 #Include bits related to sandybridge ME blob download/neutering down to BUP
 BOARD_TARGETS := xx20_me_blobs

boards/t420-maximized/t420-maximized.config

@@ -65,7 +65,7 @@ export CONFIG_BOOT_KERNEL_ADD=""
 export CONFIG_BOOT_KERNEL_REMOVE="intel_iommu=on intel_iommu=igfx_off"
 export CONFIG_BOOT_DEV="/dev/sda1"
 export CONFIG_BOARD_NAME="ThinkPad T420-maximized"
-export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal"
+export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal:ich_spi_mode=hwseq"
 
 #Include bits related to sandybridge ME blob download/neutering down to BUP
 BOARD_TARGETS := xx20_me_blobs

boards/x220-hotp-maximized/x220-hotp-maximized.config

@@ -67,7 +67,7 @@ export CONFIG_BOOT_KERNEL_ADD=""
 export CONFIG_BOOT_KERNEL_REMOVE="intel_iommu=on intel_iommu=igfx_off"
 export CONFIG_BOOT_DEV="/dev/sda1"
 export CONFIG_BOARD_NAME="ThinkPad X220-hotp-maximized"
-export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal"
+export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal:ich_spi_mode=hwseq"
 
 #Include bits related to sandybridge ME blob download/neutering down to BUP
 BOARD_TARGETS := xx20_me_blobs

boards/x220-maximized/x220-maximized.config

@@ -66,7 +66,7 @@ export CONFIG_BOOT_KERNEL_ADD=""
 export CONFIG_BOOT_KERNEL_REMOVE="intel_iommu=on intel_iommu=igfx_off"
 export CONFIG_BOOT_DEV="/dev/sda1"
 export CONFIG_BOARD_NAME="ThinkPad X220-maximized"
-export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal"
+export CONFIG_FLASH_OPTIONS="flashprog memory --progress --programmer internal:ich_spi_mode=hwseq"
 
 #Include bits related to sandybridge ME blob download/neutering down to BUP
 BOARD_TARGETS += xx20_me_blobs