southbridge/amd agesa & cimx spelling fixes

Trivial fixes, but the editor highlights them, and it's easy to go
through a bunch of files while I'm otherwise idle.

Change-Id: I5d2d4ba098d2a95f7643f000f4b48b3349a8e6cf
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/7839
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/southbridge/amd/agesa/hudson/hudson.c b/src/southbridge/amd/agesa/hudson/hudson.c
index d5f11dc..be8aa69 100644
--- a/src/southbridge/amd/agesa/hudson/hudson.c
+++ b/src/southbridge/amd/agesa/hudson/hudson.c
@@ -34,7 +34,7 @@
 
 /* Offsets from ACPI_MMIO_BASE
  * This is defined by AGESA, but we don't include AGESA headers to avoid
- * polluting the namesace.
+ * polluting the namespace.
  */
 #define PM_MMIO_BASE 0xfed80300