soc: qcom: dcc_v2: Add support for 32bit devices

Add dcc_sram_memcpy function in dcc driver to compatible with
32bit devices since memcpy_fromio function can't be supported.

Change-Id: I084f0599bbe603e822336e216d656d71ebc841ae
Signed-off-by: Yuanfang Zhang <zhangyuanfang@codeaurora.org>