intel/broadwell: Spelling fixes

Change-Id: I2f970c6970b4996fcefbde89332210f5a1afe836
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/7702
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/soc/intel/broadwell/bootblock/systemagent.c b/src/soc/intel/broadwell/bootblock/systemagent.c
index b2dd27b..b5f82b2 100644
--- a/src/soc/intel/broadwell/bootblock/systemagent.c
+++ b/src/soc/intel/broadwell/bootblock/systemagent.c
@@ -32,7 +32,7 @@
 	 * MCFG. This code also assumes that bootblock_northbridge_init() is
 	 * the first thing called in the non-asm boot block code. The final
 	 * assumption is that no assembly code is using the
-	 * CONFIG_MMCONF_SUPPORT_DEFAULT option to do PCI config acceses.
+	 * CONFIG_MMCONF_SUPPORT_DEFAULT option to do PCI config accesses.
 	 *
 	 * The PCIEXBAR is assumed to live in the memory mapped IO space under
 	 * 4GiB.