arm-soc: mvebu: replace open coded VA->PA conversion

maillist inclusion
commit 59dee05a68727a7fc3c62240542f8753797e38d6
category: feature
feature: ARM kaslr support
bugzilla: 47952
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?h=arm-kaslr-latest&id=59dee05a68727a7fc3c62240542f8753797e38d6



-------------------------------------------------

This replaces an open coded calculation to obtain the physical
address of a far symbol with a call to the new ldr_l etc macro.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Cui GaoSheng <cuigaosheng1@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>