arm926ejs: fix gaffe when converting from arm926ejs cp15 to mcr

the first arg is the register number 15 = cp15.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

tcl/board/dm355evm.cfg

@@ -182,7 +182,7 @@ proc dm355evm_init {} {
 	########################
 
 	# turn on icache - set I bit in cp15 register c1
-	mcr 0 0 1 0 0x00051078
+	mcr 15 0 0 1 0 0x00051078
 }
 
 # NAND -- socket has two chipselects, MT29F16G08FAA puts 1GByte on each one.

tcl/board/openrd.cfg

@@ -29,7 +29,7 @@ proc openrd_init { } {
 	jtag_reset 0 0
 	wait_halt
 
-	mcr 0 0 1 0 0x00052078
+	mcr 15 0 0 1 0 0x00052078
 
 	mww 0xD0001400 0x43000C30 #  DDR SDRAM Configuration Register
 	mww 0xD0001404 0x37543000 #  Dunit Control Low Register

tcl/board/sheevaplug.cfg

@@ -29,7 +29,7 @@ proc sheevaplug_init { } {
 	jtag_reset 0 0
 	wait_halt
 
-	mcr 0 0 1 0 0x00052078
+	mcr 15 0 0 1 0 0x00052078
 
 	mww 0xD0001400 0x43000C30 #  DDR SDRAM Configuration Register
 	mww 0xD0001404 0x39543000 #  Dunit Control Low Register