keep hal tx and rx functions grouped as it will look clean
and avoid confusions while browsing code for others.
Change-Id: I519690d42cd077689bf7afe697908f43d7055da5
Some of the macro names defined in qca8074v1, are defined with
a slightly different name in qca8074v2, and few macros have the
same name in both headers but are defined with different values.
Fixed the same.
Change-Id: I5e948baf5326d1d8fdfa2bd7ee8aa072c710d17c