Fix spelling of available.

Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index d5ed1d5..ed0827c 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -138,7 +138,7 @@
 			}
 
 			/*
-			 * DM is not avaiable yet at this point, hence call
+			 * DM is not available yet at this point, hence call
 			 * CMOS access library which does not depend on DM.
 			 */
 			stack = cmos_read32(CMOS_FSP_STACK_ADDR);