[U-Boot] [PATCH v3] cfi_flash: Fix CFI flash driver for 8-bit bus support

This fix is taken from the http://patchwork.ozlabs.org/patch/140863/ along with these changes I have done few minor code cleanups.

Originally commited by aaron.williams@caviumnetworks.com which as same title.

I have tested these changes on 256M29EW, 512M29EW flahes, no issues as of now.

Thanks, Jagan.

Jagannadha Sutradharudu Teki (1): mtd: cfi_flash: Fix CFI flash driver for 8-bit bus support

drivers/mtd/cfi_flash.c | 78 +++++++++++++++++++++++++++++++++-------------- include/mtd/cfi_flash.h | 41 ++++++++++++------------ 2 files changed, 76 insertions(+), 43 deletions(-)