ARM: highbank: fix typos with hignbank in power request functions

s/hignbank/highbank/

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c
index aed96ad..37d8384 100644
--- a/arch/arm/mach-highbank/system.c
+++ b/arch/arm/mach-highbank/system.c
@@ -22,9 +22,9 @@
 void highbank_restart(char mode, const char *cmd)
 {
 	if (mode == 'h')
-		hignbank_set_pwr_hard_reset();
+		highbank_set_pwr_hard_reset();
 	else
-		hignbank_set_pwr_soft_reset();
+		highbank_set_pwr_soft_reset();
 
 	while (1)
 		cpu_do_idle();