qcacmn: Fix athdiag regression caused by boundary check

for QCA6290/QCA8074, input offset value will include memtype as well,
which not covered by current boundary-check, and will fail it.

Limited current boundary-check for legacy chip currently.

CRs-Fixed: 2157285
Change-Id: Id1e1fd10b4539288c461c6403fd8110fd5056dd5
1 file changed