rtc: make rtc-omap wakeup capable

The rtc-omap driver currently hardcodes the RTC to be
not capable of wakeup events. On the DA850/OMAP-L138
SoC, the RTC is a wake up source from its "deep sleep"
mode.

Let platform data set the wakeup capability flag instead.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

drivers/rtc/rtc-omap.c

@@ -399,17 +399,12 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
 	new_ctrl |= OMAP_RTC_CTRL_STOP;
 
 	/* BOARD-SPECIFIC CUSTOMIZATION CAN GO HERE:
-	 *
-	 *  - Boards wired so that RTC_WAKE_INT does something, and muxed
-	 *    right (W13_1610_RTC_WAKE_INT is the default after chip reset),
-	 *    should initialize the device wakeup flag appropriately.
 	 *
 	 *  - Boards wired so RTC_ON_nOFF is used as the reset signal,
 	 *    rather than nPWRON_RESET, should forcibly enable split
 	 *    power mode.  (Some chip errata report that RTC_CTRL_SPLIT
 	 *    is write-only, and always reads as zero...)
 	 */
-	device_init_wakeup(&pdev->dev, 0);
 
 	if (new_ctrl & (u8) OMAP_RTC_CTRL_SPLIT)
 		pr_info("%s: split power mode\n", pdev->name);