drivers: console: uart_mcumgr: rename callback

Updates uart_mgumgr_recv_cb to uart_mcumgr_recv_cb to reflect the context
in which it is used.

Signed-off-by: Daniel Mangum <georgedanielmangum@gmail.com>

drivers/console/uart_mcumgr.c

@@ -19,7 +19,7 @@ static const struct device *const uart_mcumgr_dev =
 	DEVICE_DT_GET(DT_CHOSEN(zephyr_uart_mcumgr));
 
 /** Callback to execute when a valid fragment has been received. */
-static uart_mcumgr_recv_fn *uart_mgumgr_recv_cb;
+static uart_mcumgr_recv_fn *uart_mcumgr_recv_cb;
 
 /** Contains the fragment currently being received. */
 static struct uart_mcumgr_rx_buf *uart_mcumgr_cur_buf;
@@ -140,7 +140,7 @@ static void uart_mcumgr_async(const struct device *dev, struct uart_event *evt,
 		for (int i = 0; i < len; i++) {
 			rx_buf = uart_mcumgr_rx_byte(p[i]);
 			if (rx_buf != NULL) {
-				uart_mgumgr_recv_cb(rx_buf);
+				uart_mcumgr_recv_cb(rx_buf);
 			}
 		}
 		break;
@@ -190,7 +190,7 @@ static void uart_mcumgr_isr(const struct device *unused, void *user_data)
 		for (i = 0; i < chunk_len; i++) {
 			rx_buf = uart_mcumgr_rx_byte(buf[i]);
 			if (rx_buf != NULL) {
-				uart_mgumgr_recv_cb(rx_buf);
+				uart_mcumgr_recv_cb(rx_buf);
 			}
 		}
 	}
@@ -239,7 +239,7 @@ static void uart_mcumgr_setup(const struct device *uart)
 
 void uart_mcumgr_register(uart_mcumgr_recv_fn *cb)
 {
-	uart_mgumgr_recv_cb = cb;
+	uart_mcumgr_recv_cb = cb;
 
 	if (device_is_ready(uart_mcumgr_dev)) {
 		uart_mcumgr_setup(uart_mcumgr_dev);