x86: Drop <common.h> from remaining header files

None of these header files need to include <common.h> so we can just
drop that entirely.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/x86/include/asm/arch-slimbootloader/slimbootloader.h b/arch/x86/include/asm/arch-slimbootloader/slimbootloader.h
index 05dd1b2..460bfc4 100644
--- a/arch/x86/include/asm/arch-slimbootloader/slimbootloader.h
+++ b/arch/x86/include/asm/arch-slimbootloader/slimbootloader.h
@@ -6,7 +6,6 @@
 #ifndef __SLIMBOOTLOADER_ARCH_H__
 #define __SLIMBOOTLOADER_ARCH_H__
 
-#include <common.h>
 #include <asm/hob.h>
 
 /**
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 8be1003..c79ec64 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -7,7 +7,6 @@
 #ifndef __ASM_X86_DMA_MAPPING_H
 #define __ASM_X86_DMA_MAPPING_H
 
-#include <common.h>
 #include <asm/cache.h>
 #include <cpu_func.h>
 #include <linux/dma-direction.h>