This fixes the following warning,

arch/arm/mach-msm/smd_debug.c:240: warning: initialization from incompatible pointer type
Signed-off-by: NDaniel Walker <dwalker@codeaurora.org>

- QSD8250 has a DSP that speaks SMD, in addition to the modem
- handle a separate list of modem vs dsp channels
- install dsp smd irq handler as necessary
Signed-off-by: NBrian Swetland <swetland@google.com>
Signed-off-by: NDaniel Walker <dwalker@codeaurora.org>

- pull debug code into smd_debug.c
- move necessary structures and defines into smd_private.h
- fix some comment formatting, etc
Signed-off-by: NBrian Swetland <swetland@google.com>
Signed-off-by: NDaniel Walker <dwalker@codeaurora.org>