efi/runtime-wrappers: Remove ARCH_EFI_IRQ_FLAGS_MASK #ifdef

Now that arm, arm64, and x86 all provide ARCH_EFI_IRQ_FLAGS_MASK, we can
get rid of the trivial and now unused implementation of
efi_call_virt_check_flags().
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1461614832-17633-41-git-send-email-matt@codeblueprint.co.ukSigned-off-by: Ingo Molnar <mingo@kernel.org>

drivers/firmware/efi/runtime-wrappers.c

@@ -22,10 +22,6 @@
 #include <linux/stringify.h>
 #include <asm/efi.h>
 
-/*
- * Temporary scaffolding until all users provide ARCH_EFI_IRQ_FLAGS_MASK.
- */
-#ifdef ARCH_EFI_IRQ_FLAGS_MASK
 static void efi_call_virt_check_flags(unsigned long flags, const char *call)
 {
 	unsigned long cur_flags, mismatch;
@@ -41,9 +37,6 @@ static void efi_call_virt_check_flags(unsigned long flags, const char *call)
 			   flags, cur_flags, call);
 	local_irq_restore(flags);
 }
-#else /* ARCH_EFI_IRQ_FLAGS_MASK */
-static inline void efi_call_virt_check_flags(unsigned long flags, const char *call) {}
-#endif /* ARCH_EFI_IRQ_FLAGS_MASK */
 
 /*
  * Arch code can implement the following three template macros, avoiding