sh: convert to use __HEAD and HEAD_TEXT macros.

This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text".  Since this commit changes all
users in the architecture, this change should be harmless.

Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
index 33fa464..6966446 100644
--- a/arch/sh/kernel/vmlinux_64.lds.S
+++ b/arch/sh/kernel/vmlinux_64.lds.S
@@ -42,7 +42,7 @@
 	} = 0
 
 	.text : C_PHYS(.text) {
-		*(.text.head)
+		HEAD_TEXT
 		TEXT_TEXT
 		*(.text64)
 		*(.text..SHmedia32)