Add new DDIMM spd version 0_3 and update UTs

Change-Id: I0517bebd0514f0c073e424dc786be7352113c1f8
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/88225
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: ANDRE A MARIN <aamarin@us.ibm.com>
Dev-Ready: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/88232
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>

src/import/generic/memory/lib/utils/shared/mss_generic_consts.H

@@ -865,6 +865,7 @@ namespace spd
 enum rev : uint8_t
 {
     V0_0 = 0x00, ///< represents Rev 0.0
+    V0_3 = 0x03, ///< represents Rev 0.3
     V1_0 = 0x10, ///< represents Rev 1.0
     V1_1 = 0x11, ///< represents Rev 1.1
     V1_2 = 0x12, ///< represents Rev 1.2
@@ -874,7 +875,7 @@ enum rev : uint8_t
     GEN_SEC_MAX = V1_1,
     RDIMM_MAX = V1_1,
     LRDIMM_MAX = V1_2,
-    DDIMM_MAX = V0_0,
+    DDIMM_MAX = V0_3,
 };
 
 ///