drivers/intel/gma: Equality comparison with extraneous parentheses

Spotted by Clang.

Change-Id: I3e612c0fa050a09fa7e5b1cb643935b84eb2b957
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6053
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
src/lib/clog2.c: Fix style and clarity, remove some cruft

Change-Id: I6b37cf945db12d2cf8096c9f49fff9e0bec139d6
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6058
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>