ARM64: Introduce arch_read_hardware_id

Moving towards device tree and arm single binary referring to
machine descriptor name for hardware id information under
/proc/cpuinfo is not suitable for certain soc vendors. Add a
hook for soc vendors to supply a per-soc hardware read method.

[abhimany: resolved minor merge conflicts]
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>

Conflicts:
	arch/arm64/kernel/setup.c

Change-Id: I6c38a0c0dbf93acec6f6f67498c01c046a13e506

0 files changed, 0 insertions, 0 deletions