msm: smp2p: Use seq_puts() where possible

Seq_puts() is preferred over seq_printf() for constant strings that do not
need printf type evaluation.

Change seq_printf() usage to seq_puts() where possible.

Change-Id: I83f87a2f0417f2e0a5b826b857ad9b8c6d7ec68f
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>