qcacmn: Support for ADD/DEL of AST for MLO peer

Support for addition of AST entries for MLO peer event.
Deletion is handled implicitly

Change-Id: Id1caa85370fac847d18dc3bcbecad726bf927d0f
CRs-Fixed: 3251691

dp/inc/cdp_txrx_cmn_struct.h

@@ -446,6 +446,7 @@ enum cdp_txrx_ast_entry_type {
 	CDP_TXRX_AST_TYPE_STA_BSS,	 /* BSS entry(STA mode) */
 	CDP_TXRX_AST_TYPE_DA,	/* AST entry based on Destination address */
 	CDP_TXRX_AST_TYPE_WDS_HM_SEC, /* HM WDS entry for secondary radio */
+	CDP_TXRX_AST_TYPE_MLD, /* AST entry type for MLD peer */
 	CDP_TXRX_AST_TYPE_MAX
 };