msm: ipa: Adapt EE area registers for IPA4.5

Adapt EE area IPA registers to the H/W changes
at IPA version 4.5. This includes e.g. the IPA
interrupt registers.

CRs-Fixed: 2303588
Change-Id: If8ad2fafb0cca0e591c40105a17dcb5c9e2a5256
Signed-off-by: Ghanim Fodi <gfodi@codeaurora.org>