firmware: imx: select SOC_BUS to fix firmware build

Fix build error in firmware/imx/ selecting SOC_BUS.

riscv32-linux-ld: drivers/firmware/imx/imx-scu-soc.o: in function `.L9':
imx-scu-soc.c:(.text+0x1b0): undefined reference to `soc_device_register'

Fixes: edbee095fafb ("firmware: imx: add SCU firmware driver support")
Signed-off-by: Randy Dunlap <>
Reported-by: kernel test robot <>
Cc: Atish Patra <>
Cc: Palmer Dabbelt <>
Cc: Ard Biesheuvel <>
Cc: Anson Huang <>
Cc: Daniel Baluta <>
Reviewed-by: Dong Aisheng <>
Signed-off-by: Shawn Guo <>
1 file changed