qcacmn: Change value of domain ETSI18_WORLD from 0x6E to 0x3D

Currently, value of domain ETSI18_WORLD is 0x3D which is not
correct.

Fix is to map ETSI18_WORLD to correct hex value to avoid any
issue.

Change-Id: I064896a089fd512bc350ff4401c03822dd78fa96
CRs-Fixed: 3331649

umac/regulatory/core/src/reg_db.h

@@ -107,7 +107,7 @@ enum reg_domain {
 	ETSI15_ETSIC = 0x7A,
 	ETSI16_WORLD = 0x4A,
 	ETSI17_WORLD = 0x4B,
-	ETSI18_WORLD = 0x3D,
+	ETSI18_WORLD = 0x6E,
 	ETSI19_WORLD = 0x7B,
 
 	APL1_WORLD = 0x52,