uboot-imx

cfi_flash: Add missing braces in blocks

In if/else statements, either both blocks (if and else) should have
braces or both blocks should not have braces, but mixed configurations
are discouraged. Fix all instances where this occurs.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>