[ARM] Move IRQ enable after coprocessor number decode

Allow the individual coprocessor handlers to decide when to enable
interrupts, rather than unconditionally enabling them.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/entry-armv.S

@@ -484,7 +484,6 @@ call_fpe:
 	movcss	r7, r5, lsr #(TIF_USING_IWMMXT + 1)
 	bcs	iwmmxt_task_enable
 #endif
-	enable_irq
 	add	pc, pc, r8, lsr #6
 	mov	r0, r0
 
@@ -511,6 +510,7 @@ call_fpe:
 	mov	pc, lr				@ CP#15 (Control)
 
 do_fpe:
+	enable_irq
 	ldr	r4, .LCfp
 	add	r10, r10, #TI_FPSTATE		@ r10 = workspace
 	ldr	pc, [r4]			@ Call FP module USR entry point

arch/arm/vfp/entry.S

@@ -22,6 +22,7 @@
 
 	.globl	do_vfp
 do_vfp:
+	enable_irq
  	ldr	r4, .LCvfp
 	add	r10, r10, #TI_VFPSTATE	@ r10 = workspace
 	ldr	pc, [r4]		@ call VFP entry point