Revert "arch: arm64: cache: delete arm64_dcache_all"

In order to clean and invalidate all D-Cache, so reverts commit:
867ba172.

Although no software broadcast between different CPU Cores for  D-Cache
maintaining operation, but the hardware bus system should make sure it
is safety for all CPU Cores, because it is common for other SMP OS.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>