usb: dwc3: core: don't redefine DWC3_DCFG_LPM_CAP

the macro DWC3_DCFG_LPM_CAP was defined twice.

This patch just removes one of the definitions,
no functional changes.
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/core.h

@@ -188,7 +188,6 @@
 #define DWC3_MAX_HIBER_SCRATCHBUFS		15
 
 /* Device Configuration Register */
-#define DWC3_DCFG_LPM_CAP	(1 << 22)
 #define DWC3_DCFG_DEVADDR(addr)	((addr) << 3)
 #define DWC3_DCFG_DEVADDR_MASK	DWC3_DCFG_DEVADDR(0x7f)