arm64: Update ID of SCM_TLB_CONFLICT_CMD

Original scm id of 0x1B is being used for another purpose on SDM845.
Update to new ID being defined for SCM_TLB_CONFLICT_CMD.

Change-Id: I6db4c5f1bf357b940e59d973959c705f5d001dcd
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>