From: wangwenhu
When generating .config file with menuconfig on Freescale BOOKE
SOC, FSL_85XX_CACHE_SRAM is not configurable for the lack of
description in the Kconfig field, which makes it impossible
to support L2Cache-Sram driver. Add a description to make it
configurable.
Signed-off-by
From: wangwenhu
Include arch/powerpc/include/asm/io.h into fsl_85xx_cache_sram.c to
fix the implicit declaration compile errors when building Cache-Sram.
arch/powerpc/sysdev/fsl_85xx_cache_sram.c: In function ‘instantiate_cache_sram’:
arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:26: error