[ARM] 4421/1: AT91: Value of _KEY fields.

Use the actual value (0xA5) for the AT91_SHDW_KEY and AT91_WDT_KEY
register fields instead of a bitmask.

This is consistent with how AT91_RSTC_KEY is defined, and is easier to
use in code.
Signed-off-by: NAndrew Victor <andrew@sanpeople.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/arch-at91/at91_shdwc.h

@@ -14,8 +14,8 @@
 #define AT91_SHDWC_H
 
 #define AT91_SHDW_CR		(AT91_SHDWC + 0x00)	/* Shut Down Control Register */
-#define		AT91_SHDW_SHDW		(1    << 0)		/* Processor Reset */
-#define		AT91_SHDW_KEY		(0xff << 24)		/* KEY Password */
+#define		AT91_SHDW_SHDW		(1    << 0)		/* Shut Down command */
+#define		AT91_SHDW_KEY		(0xa5 << 24)		/* KEY Password */
 
 #define AT91_SHDW_MR		(AT91_SHDWC + 0x04)	/* Shut Down Mode Register */
 #define		AT91_SHDW_WKMODE0	(3 << 0)		/* Wake-up 0 Mode Selection */

include/asm-arm/arch-at91/at91_wdt.h

@@ -15,7 +15,7 @@
 
 #define AT91_WDT_CR		(AT91_WDT + 0x00)	/* Watchdog Control Register */
 #define		AT91_WDT_WDRSTT		(1    << 0)		/* Restart */
-#define		AT91_WDT_KEY		(0xff << 24)		/* KEY Password */
+#define		AT91_WDT_KEY		(0xa5 << 24)		/* KEY Password */
 
 #define AT91_WDT_MR		(AT91_WDT + 0x04)	/* Watchdog Mode Register */
 #define		AT91_WDT_WDV		(0xfff << 0)		/* Counter Value */