Platform/Intel: Enhance the BOARD_ID without PCH_TYPE support

The length of the Board ID is being updated based on the BOARD_ID
string. If the PCH_TYPE is empty space/single quotes(''), removing the
empty space/single quotes('') and concatenating the
TARGET_PLATFORM_SHORT and BUILD flag strings.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: T V Krishnamoorthy <krishnamoorthy.t.v@intel.com>
Signed-off-by: ManickamX Srinivasan <manickamx.srinivasan@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Yuwei Chen <yuwei.chen@intel.com>