omap4: Fix build break when used with gcc-4.4.1 (2009-q3)

This patch adds  argument to smc calls as gcc-4.4.1 requires it
otherwise the build breaks with 2009-q3 toolchanin.

arch/arm/mach-omap2/omap-headsmp.S: Assembler messages:
arch/arm/mach-omap2/omap-headsmp.S:36: Error: missing expression -- `smc'
arch/arm/mach-omap2/omap-headsmp.S:55: Error: missing expression -- `smc'
arch/arm/mach-omap2/omap-headsmp.S:63: Error: missing expression -- `smc'
make[1]: *** [arch/arm/mach-omap2/omap-headsmp.o] Error 1

Signed-off-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S
index 89bb2b1..f61c777 100644
--- a/arch/arm/mach-omap2/omap44xx-smc.S
+++ b/arch/arm/mach-omap2/omap44xx-smc.S
@@ -27,6 +27,6 @@
 	mov	r12, r0
 	mov 	r0, r1
 	dsb
-	smc
+	smc	#0
 	ldmfd   sp!, {r2-r12, pc}
 END(omap_smc1)