Introducing common VAL PAL for linux-acs
- Removing bsa-acs-drv and introducing acs-drv that is common for BSA and SBSA.
- APIs used by both BSA and SBSA are moved to common path in pal_linux/files folder.
Signed-off-by: Srikar Josyula srikar.josyula@arm.com
Co-authored-by: Chetan Rathore chetan.rathore@arm.com