USB: OTG: msm: Add debugfs entry to read otg_state
USB: OTG: msm: Add debugfs entry to read otg_state

This change add's support for reading the otg_state of the device
through debugfs.

CRs-Fixed: 346906
Change-Id: Ifc0d28aa8626827f10740b97642946a564f78ca6
Signed-off-by: Chiranjeevi Velempati <692a45b26f75473403cc09fb298f4dc2e885a389@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas