powerpc: Various typo fixes under arch/powerpc/cpu/mpc83xx

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
diff --git a/arch/powerpc/cpu/mpc83xx/pci.c b/arch/powerpc/cpu/mpc83xx/pci.c
index 30606fb..c7ea94c 100644
--- a/arch/powerpc/cpu/mpc83xx/pci.c
+++ b/arch/powerpc/cpu/mpc83xx/pci.c
@@ -123,7 +123,7 @@
 	int i;
 
 	if (num_buses > MAX_BUSES) {
-		printf("%d PCI buses requsted, %d supported\n",
+		printf("%d PCI buses requested, %d supported\n",
 		       num_buses, MAX_BUSES);
 
 		num_buses = MAX_BUSES;