msm: ipa: changes log for ipa driver

When compiling 32 bit kernel, ipa driver can not be compiled successflly
, because some data type conversion is incorrect. This patch support ipa
driver to be compiled successfully when compiling 32 bit kernel.

Change-Id: I6573204627c1b3fc0b70eea0695e84724fd3f69e
Signed-off-by: Teng Fei Fan <tengfei@codeaurora.org>