ARM: pxa: fix inconsistent CONFIG_USB_PXA27X

Since CONFIG_USB_GADGET_PXA27X and other macros are renamed to
CONFIG_USB_PXA27X. Update them in arch/arm/mach-pxa and arch/arm/configs
to keep consistent.

Cc: stable@kernel.org
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/configs/ezx_defconfig b/arch/arm/configs/ezx_defconfig
index 227a477..d95763d 100644
--- a/arch/arm/configs/ezx_defconfig
+++ b/arch/arm/configs/ezx_defconfig
@@ -287,7 +287,7 @@
 # CONFIG_USB_DEVICE_CLASS is not set
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_GADGET=y
-CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
 CONFIG_USB_ETH=m
 # CONFIG_USB_ETH_RNDIS is not set
 CONFIG_MMC=y