msmtitanium: Add code for SDHCI support and setup MMU mapping.

Add code for SDHCI initialization and support.
Add code for init mmu_section_table and setup MMU mapping.
Add stub code for target detect and baseband detect.
Enable Reboot module.
Enable Secapp Loader module.

Change-Id: I38690461bfa18fc79f70e508d7afc5d2139edeff
5 files changed