Remove internal code name of msmtitanium for msm8953

Remove all reference to internal code name msmtitanium
and replace them with msm8953, as there is an official
announcement for msm8953 SoC.

Change-Id: I2d603b4540e8807a1322d7844fb010d40aeca76b
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>