mmc: sdhci-msm: Don't enable PWRSAVE_DLL for all latest sdhc hosts

SDHC core with 14lpp tech DLL should not enable PWRSAVE_DLL since
such controller's internal gating cannot meet following MCLK requirement:
when MCLK is gated OFF, it is not gated for less than 0.5us and MCLK must
be switched on for at-least 1us before DATA starts coming.

Since all the latest versions of sdhc host has this 14lpp tech DLL
Don't set PWRSAVE_DLL bit accordingly.

Change-Id: I7cccc79a79b32a33e74212fc5f41408c2e07b5cb
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>