src/cpu: Capitalize CPU

Change-Id: I58d5c16de796a91fa14d8db78722024266c09a94
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15934
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/cpu/intel/hyperthreading/intel_sibling.c b/src/cpu/intel/hyperthreading/intel_sibling.c
index 678ad2d..de59c18 100644
--- a/src/cpu/intel/hyperthreading/intel_sibling.c
+++ b/src/cpu/intel/hyperthreading/intel_sibling.c
@@ -21,7 +21,7 @@
 #include <assert.h>
 
 #if CONFIG_PARALLEL_CPU_INIT
-#error Intel hyper-threading requires serialized cpu init
+#error Intel hyper-threading requires serialized CPU init
 #endif
 
 static int first_time = 1;
@@ -84,16 +84,16 @@
 		return;
 	}
 
-	/* I am the primary cpu start up my siblings */
+	/* I am the primary CPU start up my siblings */
 	for(i = 1; i < siblings; i++) {
 		struct device_path cpu_path;
 		struct device *new;
-		/* Build the cpu device path */
+		/* Build the CPU device path */
 		cpu_path.type = DEVICE_PATH_APIC;
 		cpu_path.apic.apic_id = cpu->path.apic.apic_id + i;
 
 
-		/* Allocate new cpu device structure iff sibling CPU
+		/* Allocate new CPU device structure iff sibling CPU
 		 * was not in static device tree.
 		 */
 		new = alloc_find_dev(cpu->bus, &cpu_path);