ARM: pxa: delete the custom GPIO header

The PXA sub-architecture appears to have a custom <mach/gpio.h>
for no reason whatsoever. The file became completely empty
after Haojian removed the remaining content in
commit 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f
"ARM: pxa: change gpio to platform device".

That commit added these two lines:

However it seems like deleting the file has no effect
whatsoever on the kernel compilation.

Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3950a128973e..1ced44456ad2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -621,7 +621,6 @@ config ARCH_PXA
         select GPIO_PXA
         select HAVE_IDE
         select MULTI_IRQ_HANDLER
-        select NEED_MACH_GPIO_H
         select PLAT_PXA
         select SPARSE_IRQ
         help