aarch64: ABI: add symbols to qcom whitelist

Change adds unmap_kernel_range, get_vm_area, and
ioremap_page_range to qcom whitelist and update the
ABI snapshot.

Change-Id: I34e3a976f68281b7937719f62379002cb7bf6d93
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>