Version bump to SP1A.210318.003 [core/build_id.mk]

Change-Id: Ib2cf5aafd7a80134b1d0d8bad37a03bc1368b023
diff --git a/core/build_id.mk b/core/build_id.mk
index ff95ab0..f072a1e 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=SP1A.210318.002
+BUILD_ID=SP1A.210318.003