Version bump to SP1A.210729.003 [core/build_id.mk]

Change-Id: I604a9d1251719d0bf5739843e3f06c75f0457e87
diff --git a/core/build_id.mk b/core/build_id.mk
index d8334a7..b51f699 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.210729.002
+BUILD_ID=SP1A.210729.003