qcacmn: Move regdef for qca8074 out of AHB compiler flag

X86 uses PCI to connect to qca8074. ATH_AHB is not enabled on x86
but regdef is required to set correct offset for registers. Move the
initialization code out of ATH_AHB compiler flag.

Change-Id: I369f9c87e006fa3ae929e18a6922332d84f01382
CRs-Fixed: 1079647

hif/inc/hostdef.h

@@ -35,7 +35,7 @@ extern struct hostdef_s *QCA9984_HOSTdef;
 extern struct hostdef_s *QCA9888_HOSTdef;
 #ifdef ATH_AHB
 extern struct hostdef_s *IPQ4019_HOSTdef;
-extern struct hostdef_s *QCA8074_HOSTdef;
 #endif
+extern struct hostdef_s *QCA8074_HOSTdef;
 
 #endif