misc: fastrpc: Use USER_PD define in fastrpc_get_info_from_dsp

There are defines for each type of protection domain now.
Use the USER_PD instead of magic value in fastrpc_get_info_from_dsp.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Amol Maheshwari <amahesh@qti.qualcomm.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220816105528.3222763-1-abel.vesa@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/fastrpc.c

@@ -1515,7 +1515,7 @@ static int fastrpc_get_info_from_dsp(struct fastrpc_user *fl, uint32_t *dsp_attr
 	args[1].ptr = (u64)(uintptr_t)&dsp_attr_buf[1];
 	args[1].length = dsp_attr_buf_len;
 	args[1].fd = -1;
-	fl->pd = 1;
+	fl->pd = USER_PD;
 
 	return fastrpc_internal_invoke(fl, true, FASTRPC_DSP_UTILITIES_HANDLE,
 				       FASTRPC_SCALARS(0, 1, 1), args);