Expose the DDR vendor name through a sysctl entry

This patch requires a modified SBL1 that stores the installed DDR vendor
identifier in SMEM. The new sysctl entry located at
/proc/sys/dev/ddr/vendor exposes the DDR vendor name (e.g. "Samsung").

FPIIM-2246

Depends-On: I35e2ea83716b4e1b1d49a734001233c5528bde4d
Change-Id: I4b78c8efa4a8b84cbdbf2dcc2d77f3e2e80f3df0
3 files changed