Blackfin: bf538: pull gpio/port logic out of core hibernate paths

Re-architect how we save/restore the gpio/port logic that only pertains
to bf538/bf539 parts by pulling it out of the core code paths and pushing
it out to bf538-specific locations.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/mach-bf538/include/mach/gpio.h b/arch/blackfin/mach-bf538/include/mach/gpio.h
index 8a5beee..3561c7d 100644
--- a/arch/blackfin/mach-bf538/include/mach/gpio.h
+++ b/arch/blackfin/mach-bf538/include/mach/gpio.h
@@ -8,7 +8,10 @@
 #define _MACH_GPIO_H_
 
 #define MAX_BLACKFIN_GPIOS 16
+#ifdef CONFIG_GPIOLIB
+/* We only use the special logic with GPIOLIB devices */
 #define BFIN_SPECIAL_GPIO_BANKS 3
+#endif
 
 #define GPIO_PF0	0	/* PF */
 #define GPIO_PF1	1