ARM: dts: msm: Change eMMC master id for sdm670 bus voting

The hlos id for eMMC master, during data transfer from sdhc1 controller
to DDR, needs to be changed from MSM_BUS_MASTER_SDCC_1 to
MSM_BUS_MASTER_EMMC.

Change-Id: I192abcde2144408d024e88d94c647bcc4b5d8bd3
Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org>