bmips: bcm6328: Compile in uImage splitter

Since we split the Inteno XG6846 "firmware" partition with the
uImage MTD splitter, we need to compile in support for this
splitting method into the BCM6328.

Reviewed-by: Paul Donald <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>

target/linux/bmips/bcm6328/config-6.1

@@ -170,6 +170,7 @@ CONFIG_MTD_RAW_NAND=y
 CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_SPLIT_BCM63XX_FW=y
 CONFIG_MTD_SPLIT_BCM_WFI_FW=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_BEB_LIMIT=20
 CONFIG_MTD_UBI_BLOCK=y