ARM: EXYNOS: Remove wrongly placed usb2.0 PHY_CFG definition from PMU_REG

EXYNOS5_USB_CFG macro should actually point to USB20PHY_CFG system
register (base addr + 0x230). It's wrongly placed in regs-pmu.
Actual register at offset 0x230 in PMU is SEQ_TRANSITION4.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/include/mach/regs-pmu.h

@@ -230,8 +230,6 @@
 
 /* For EXYNOS5 */
 
-#define EXYNOS5_USB_CFG						S5P_PMUREG(0x0230)
-
 #define EXYNOS5_AUTO_WDTRESET_DISABLE				S5P_PMUREG(0x0408)
 #define EXYNOS5_MASK_WDTRESET_REQUEST				S5P_PMUREG(0x040C)