drivers: edac: Remove dependency on EDAC_MM_EDAC for LLCC_EDAC

commit <e3c4ff6d> ("EDAC: Remove EDAC_MM_EDAC")
removed the EDAC_MM_EDAC dependency, so make necessary
changes to QCOM_LLCC_EDAC driver.

Change-Id: I3298e366bef3cba6b831ccf48d67b8c5f0c7cbe4
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>