nb/intel: Fix some spelling mistakes in comments and strings

Change-Id: I4a8297397d878e38516c8df19dd311c7ef19ec06
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/17478
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c
index 8c41cb8..16ae55f 100644
--- a/src/northbridge/intel/i945/early_init.c
+++ b/src/northbridge/intel/i945/early_init.c
@@ -574,7 +574,7 @@
 
 	MCHBAR16(UPMC1) &= ~( (1 << 5) | (1 << 0) );
 
-	/* Initialze PEG_CAP */
+	/* Initialize PEG_CAP */
 	reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), 0xa2);
 	reg16 |= (1 << 8);
 	pci_write_config16(PCI_DEV(0, 0x01, 0), 0xa2, reg16);