USB: ehci-spear: Add PM support
USB: ehci-spear: Add PM support

This patch adds support for standby/S2R/hibernate for ehci-spear driver.

Signed-off-by: Deepak Sikri <64488c112e2fc6d52b7a60fc144fbf4c0745f09b@st.com>
Signed-off-by: Pratyush Anand <312638e7d640785762ded1305e88fac68d55a9ab@st.com>
Signed-off-by: Viresh Kumar <5ff32272b3d9f86512eddc8e0af523fc6f7924e5@st.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

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