x86, setup: move 32-bit code to .text32

Impact: cleanup

The setup code is mostly 16-bit code, but there is a small stub of
32-bit code at the end.  Move the 32-bit code to a separate segment,
.text32, to avoid scrambling the disassembly.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/arch/x86/boot/setup.ld b/arch/x86/boot/setup.ld
index df9234b..bb8dc2d 100644
--- a/arch/x86/boot/setup.ld
+++ b/arch/x86/boot/setup.ld
@@ -17,7 +17,8 @@
 	.header		: { *(.header) }
 	.inittext	: { *(.inittext) }
 	.initdata	: { *(.initdata) }
-	.text		: { *(.text*) }
+	.text		: { *(.text) }
+	.text32		: { *(.text32) }
 
 	. = ALIGN(16);
 	.rodata		: { *(.rodata*) }