Blackfin: Rename IRQ flags handling functions

Rename h/w IRQ flags handling functions to be in line with what is expected for
the irq renaming patch.  This renames local_*_hw() to hard_local_*() using the
following perl command:

	perl -pi -e 's/local_irq_(restore|enable|disable)_hw/hard_local_irq_\1/ or s/local_irq_save_hw([_a-z]*)[(]flags[)]/flags = hard_local_irq_save\1()/' `find arch/blackfin/ -name "*.[ch]"`

and then fixing up asm/irqflags.h manually.

Additionally, arch/hard_local_save_flags() and arch/hard_local_irq_save() both
return the flags rather than passing it through the argument list.

Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index 09c1fb4..80884b1 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -25,7 +25,7 @@
 {
 	unsigned long flags;
 
-	local_irq_save_hw(flags);
+	flags = hard_local_irq_save();
 	bfin_pm_standby_setup();
 
 #ifdef CONFIG_PM_BFIN_SLEEP_DEEPER
@@ -56,7 +56,7 @@
 	bfin_write_SIC_IWR(IWR_DISABLE_ALL);
 #endif
 
-	local_irq_restore_hw(flags);
+	hard_local_irq_restore(flags);
 }
 
 int bf53x_suspend_l1_mem(unsigned char *memptr)
@@ -149,12 +149,12 @@
 	wakeup |= GPWE;
 #endif
 
-	local_irq_save_hw(flags);
+	flags = hard_local_irq_save();
 
 	ret = blackfin_dma_suspend();
 
 	if (ret) {
-		local_irq_restore_hw(flags);
+		hard_local_irq_restore(flags);
 		kfree(memptr);
 		return ret;
 	}
@@ -178,7 +178,7 @@
 	bfin_gpio_pm_hibernate_restore();
 	blackfin_dma_resume();
 
-	local_irq_restore_hw(flags);
+	hard_local_irq_restore(flags);
 	kfree(memptr);
 
 	return 0;