Remove unused GPIO macros
Remove unused GPIO macros

All accesses use the _OFF variants.  No need to have 2 ways of doing
the same thing.

BUG=chrome-os-partner:18343
BRANCH=none
TEST=build all platforms

Change-Id: I914e6dd9027bcf2268e33ae2e8cfb41093b0b05d
Signed-off-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/48032
Reviewed-by: Bill Richardson <129945214b1d548d8e49b6c29c43094f8c78057f@chromium.org>

fourier49/BZ_DEV_EC,mtk09422/chromiumos-platform-ec,alterapraxisptyltd/chromium-ec,akappy7/ChromeOS_EC_LED_Diagnostics,fourier49/BZ_DEV_EC,fourier49/BIZ_EC,md5555/ec,coreboot/chrome-ec,md5555/ec,longsleep/ec,mtk09422/chromiumos-platform-ec,md5555/ec,mtk09422/chromiumos-platform-ec,fourier49/BZ_DEV_EC,gelraen/cros-ec,akappy7/ChromeOS_EC_LED_Diagnostics,akappy7/ChromeOS_EC_LED_Diagnostics,gelraen/cros-ec,coreboot/chrome-ec,fourier49/BIZ_EC,fourier49/BIZ_EC,eatbyte/chromium-ec,mtk09422/chromiumos-platform-ec,md5555/ec,thehobn/ec,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,thehobn/ec,gelraen/cros-ec,longsleep/ec,eatbyte/chromium-ec,coreboot/chrome-ec,gelraen/cros-ec,alterapraxisptyltd/chromium-ec,alterapraxisptyltd/chromium-ec,fourier49/BIZ_EC,alterapraxisptyltd/chromium-ec,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,thehobn/ec,fourier49/BZ_DEV_EC,eatbyte/chromium-ec,coreboot/chrome-ec,eatbyte/chromium-ec,coreboot/chrome-ec,coreboot/chrome-ec,thehobn/ec