reset: imx7: add the cm4 reset for i.MX8MQ

Add the cm4 reset used by the remoteproc driver

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c
index 9832033..b60534a 100644
--- a/drivers/reset/reset-imx7.c
+++ b/drivers/reset/reset-imx7.c
@@ -178,6 +178,9 @@ static const struct imx7_src_signal imx8mq_src_signals[IMX8MQ_RESET_NUM] = {
 	[IMX8MQ_RESET_A53_SOC_DBG_RESET]	= { SRC_A53RCR0, BIT(20) },
 	[IMX8MQ_RESET_A53_L2RESET]		= { SRC_A53RCR0, BIT(21) },
 	[IMX8MQ_RESET_SW_NON_SCLR_M4C_RST]	= { SRC_M4RCR, BIT(0) },
+	[IMX8MQ_RESET_SW_M4C_RST]		= { SRC_M4RCR, BIT(1) },
+	[IMX8MQ_RESET_SW_M4P_RST]		= { SRC_M4RCR, BIT(2) },
+	[IMX8MQ_RESET_M4_ENABLE]		= { SRC_M4RCR, BIT(3) },
 	[IMX8MQ_RESET_OTG1_PHY_RESET]		= { SRC_USBOPHY1_RCR, BIT(0) },
 	[IMX8MQ_RESET_OTG2_PHY_RESET]		= { SRC_USBOPHY2_RCR, BIT(0) },
 	[IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N]	= { SRC_MIPIPHY_RCR, BIT(1) },
@@ -238,6 +241,7 @@ static int imx8mq_reset_set(struct reset_controller_dev *rcdev,
 	case IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N:	/* fallthrough */
 	case IMX8MQ_RESET_MIPI_DSI_RESET_N:	/* fallthrough */
 	case IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N:	/* fallthrough */
+	case IMX8MQ_RESET_M4_ENABLE:
 		value = assert ? 0 : bit;
 		break;
 	}