SamsungBoardPkg: ExynosPkg: Added new apis to Lib

Added new serial IO apis required for the SerialDxe
driver.

Signed-off-by: Girish K S <ks.giri@samsung.com>
SmdkBoardPkg: SmdkBoardLib: Added Api to get the core pos

Added a API to get the CPU core position required by the
Arm platform Stack library.

Signed-off-by: Girish K S <ks.giri@samsung.com>
OrigenBoardPkg: dsc: Added the missing library inclusion

Added the missing Libraries required for the successful compilation

Signed-off-by: Girish K S <ks.giri@samsung.com>
SmdkBoardPkg: dsc: Add missing Libraries and Pcds

Added the missing Libraries and PCDs required for successful compilation

Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>