firmware: imx: scu-pd: Add IRQSTR_DSP PD range

The DSP interrupt steer gathers interrupts from the system
and can be used to steer them to DSP.

Signed-off-by: Daniel Baluta <[e-mail]>
Reviewed-by: Dong Aisheng <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

drivers/firmware/imx/scu-pd.c

···
 	{ "lcd0-pwm", IMX_SC_R_LCD_0_PWM_0, 1, true, 0 },
 	{ "lpuart", IMX_SC_R_UART_0, 4, true, 0 },
 	{ "lpspi", IMX_SC_R_SPI_0, 4, true, 0 },
+	{ "irqstr_dsp", IMX_SC_R_IRQSTR_DSP, 1, false, 0 },
 
 	/* VPU SS */
 	{ "vpu", IMX_SC_R_VPU, 1, false, 0 },