ARM: dts: msm: Add right number of clock freqs for eMMC ICE on 8996

ICE node for eMMC storage is using four clocks but specifying
frequencies only for two clocks. This is causing ICE probe to fail.
Adding missing clock frequencies.

Change-Id: I30f444ee6ce91373f0e0eb57d370a95679f865cf
Signed-off-by: Dinesh K Garg <dineshg@codeaurora.org>