soc/intel/appollolake: fix comment in gpio_defs.h

GPIO_187 is the beginning of the Northwest community pads.

Change-Id: I5565ecf534530144e80c65d886db11b53f38f935
Signed-off-by Aaron Durbin <adurbin@chormium.org>
Reviewed-on: https://review.coreboot.org/13789
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/soc/intel/apollolake/include/soc/gpio_defs.h

@@ -147,7 +147,7 @@
 #define SVID0_DATA			76
 #define SVID0_CLK			77
 
-/* North community pads */
+/* Northwest community pads */
 #define GPIO_187			78
 #define GPIO_188			79
 #define GPIO_189			80