ARM: dts: msm: remove unnecessary UFS PHY clocks for 8996 v2 & v3

clk_gcc_ufs_tx_cfg_clk and clk_gcc_ufs_rx_cfg_clk are required only
for 8996 v1. This change removes the voting for these clocks on
v2 & v3.

Change-Id: I14b3d9246752f0d0dabd380367892833b4dfac40
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>