Revert "cfi_flash: Use uintptr_t for casts from u32 to void *"

This reverts commit 81a4f7098ba137ea1961cb997ca16d57de2b3483.

Signed-off-by: Stefan Roese <sr@denx.de>
Revert "mtd: cfi_flash: Fix CFI flash driver for 8-bit bus support"

This reverts commit 239cb9d904cfa8ab50d840a47b3306189d695c75.

Signed-off-by: Stefan Roese <sr@denx.de>