Add a few missing license headers based on svn logs, and also add a

few more code comments to src/cpu/x86/*.inc files.
 
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5859 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/cpu/x86/sse_enable.inc

@@ -1,14 +1,30 @@
-	/* preserve BIST in %eax */
-	movl %eax, %ebp
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2002 Eric Biederman <ebiederm@xmission.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
 
-	/*
-	 * Enable the use of the xmm registers
-	 */
+	/* Preserve BIST. */
+	movl	%eax, %ebp
 
-	/* Enable sse instructions */
+	/* Enable SSE instructions. */
 	movl	%cr4, %eax
-	orl	$(1<<9), %eax
+	orl	$(1 << 9), %eax
 	movl	%eax, %cr4
 
+	/* Restore BIST. */
 	movl	%ebp, %eax