src/arch: Improve code formatting

Change-Id: Ic1ca6c2e1cd06800d7eb2d00ac0b328987d022ef
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16434
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker

src/arch/arm/include/armv7/arch/cpu.h

@@ -39,9 +39,9 @@ struct cpu_info {
 };
 
 struct cpuinfo_arm {
-        uint8_t    arm;            /* CPU family */
-        uint8_t    arm_vendor;     /* CPU vendor */
-        uint8_t    arm_model;
+	uint8_t    arm;            /* CPU family */
+	uint8_t    arm_vendor;     /* CPU vendor */
+	uint8_t    arm_model;
 };
 
 #endif