Blackfin arch: Use GPIO_BANKSIZE macro to replace const number 16 for GPIO_BANK_NUM macro caculating

Signed-off-by: Bryan Wu <cooloney@kernel.org>

arch/blackfin/include/asm/gpio.h

@@ -87,9 +87,9 @@
 #define gpio_bank(x) 	((x) >> 4)
 #define gpio_bit(x)  	(1<<((x) & 0xF))
 #define gpio_sub_n(x) 	((x) & 0xF)
-#define GPIO_BANK_NUM 	DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, 16)
 
-#define GPIO_BANKSIZE 16
+#define GPIO_BANKSIZE 	16
+#define GPIO_BANK_NUM 	DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
 
 #define	GPIO_0	0
 #define	GPIO_1	1

arch/blackfin/include/asm/processor.h

@@ -159,6 +159,8 @@ static inline uint32_t __pure bfin_compiled_revid(void)
 	return 4;
 #elif defined(CONFIG_BF_REV_0_5)
 	return 5;
+#elif defined(CONFIG_BF_REV_0_6)
+	return 6;
 #elif defined(CONFIG_BF_REV_ANY)
 	return 0xffff;
 #else