drivers: soc: qcom: Add sdm855 SoC llcc driver

LLCC driver for SDM855 SoC, this driver contains the configuration data
required to program the LLCC. The configration data controls the
behavior of LLCC by setting priority, size, how the ways are allocated
when clients use the LLCC and so on. Platform specific driver calls into
the common LLCC driver to program this configuration.

Change-Id: Ie1b980136262fa0a5c11358460087ca6f565e197
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>