msm: 8960: Add GSBI9 UARTDM device for Fusion 2.2 platform only

On Fusion 2.2 platform, GSBI9 UARTDM is used for primary IPC
mechanism. GSBI9 can be used on different platform for other
configuration mode (i.e. SPI/I2C). Hence add GSBI9 UARTDM device
only for Fusion 2.2 platform.

Change-Id: I5b4dcd259f7966fcf244b47deb8d603a5728af60
Signed-off-by: Mayank Rana <mrana@codeaurora.org>