usb: dwc3: exynos: Use of_platform API to create dwc3 core pdev
usb: dwc3: exynos: Use of_platform API to create dwc3 core pdev

Used of_platform_populate() to create dwc3 core platform_device
from device tree data. Additionally some cleanup is also done.

Signed-off-by: Vivek Gautam <5c6bd423a2e3d98ebdccbc25654ed1942ee0af9f@samsung.com>
CC: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>
CC: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>
Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs