src: Remove unused 'include <arch/cpu.h>'

Change-Id: Iaa236f07aed52ccb8c4839047894a14a9446a109
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36080
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/cpu/intel/haswell/bootblock.c

@@ -12,7 +12,6 @@
  */
 
 #include <stdint.h>
-#include <arch/cpu.h>
 #include <arch/bootblock.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>

src/cpu/intel/haswell/haswell.h

@@ -15,7 +15,7 @@
 #ifndef _CPU_INTEL_HASWELL_H
 #define _CPU_INTEL_HASWELL_H
 
-#include <arch/cpu.h>
+#include <stdint.h>
 
 /* Haswell CPU types */
 #define HASWELL_FAMILY_MOBILE		0x306c0