ARM: plat-nomadik: Introduce new DB8540 GPIO registers

DB8540's GPIO controller introduce level detection
support for both interrupts and wakeups.
Signed-off-by: NMaxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

arch/arm/plat-nomadik/include/plat/gpio-nomadik.h

@@ -38,6 +38,9 @@
 #define NMK_GPIO_RWIMSC	0x50
 #define NMK_GPIO_FWIMSC	0x54
 #define NMK_GPIO_WKS	0x58
+/* These appear in DB8540 and later ASICs */
+#define NMK_GPIO_EDGELEVEL 0x5C
+#define NMK_GPIO_LEVEL	0x60
 
 /* Alternate functions: function C is set in hw by setting both A and B */
 #define NMK_GPIO_ALT_GPIO	0