msm: mdss: Use common include locations and pointers

Update hdmi to use common linux includes instead
of platform dependent header files. Also update
print statements to use platform independent
%p instead of %x when printing hexadecimal
addresses.

Change-Id: I4722f3f34a4ea23fda3f66eabddac58dfef1556c
Signed-off-by: Casey Piper <cpiper@codeaurora.org>