Merge tag 'u-boot-imx-next-20250321' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx into next

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/25267

- Allow the registration and enablement of the i.MX UART clocks via DM,
  without the need of manually calling init_uart_clk().
- Remove duplicated 'mmc dev ${mmcdev}' commands.
- Rework some of the RAM related Kconfig symbols for phycore_imx8mp.

include/dm/platform_data/serial_mxc.h

@@ -9,6 +9,9 @@
 /* Information about a serial port */
 struct mxc_serial_plat {
 	struct mxc_uart *reg;  /* address of registers in physical memory */
+#if CONFIG_IS_ENABLED(CLK_CCF)
+	struct clk_bulk clks;
+#endif
 	bool use_dte;
 };