arm/dt: 8974: Update IPC register for vMPM driver
arm/dt: 8974: Update IPC register for vMPM driver

The IPC register to which the MPM driver writes to to trigger a
interrupt on MPM was incorrectly configured. Update the device tree to
reflect the correct IPC register and bit.

Change-Id: Ic533bee6ac383b112b2abbe702bb662d2d284e37
Signed-off-by: Mahesh Sivasubramanian <d742c8926136147b41811902e91ce4bd1f5cc0f6@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