arm: vt8500: Convert debug-macro.S to be multiplatform friendly

This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
arm/include/debug/vt8500.S to provide multiplatform support.

Minor style changes in code for readability.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>

arch/arm/mach-vt8500/include/mach/debug-macro.S

@@ -1,31 +0,0 @@
-/*
- * arch/arm/mach-vt8500/include/mach/debug-macro.S
- *
- *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * Debugging macro include header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
-	.macro	addruart, rp, rv, tmp
-	mov	\rp,      #0x00200000
-	orr	\rv, \rp, #0xf8000000
-	orr	\rp, \rp, #0xd8000000
-	.endm
-
-	.macro	senduart,rd,rx
-	strb	\rd, [\rx, #0]
-	.endm
-
-	.macro	busyuart,rd,rx
-1001:	ldr	\rd, [\rx, #0x1c]
-	ands	\rd, \rd, #0x2
-	bne	1001b
-	.endm
-
-	.macro	waituart,rd,rx
-	.endm