ARM: keystone2: Convert BOOT_READ_BITFIELD into static inline function

BOOT_READ_BITFIELD can easily be a static inline function and be a
little more readable with the same functionality.

Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed