mekotronics-r58x-4g: u-boot: enable tpcm/fusb302 support

- also `tcpm` cmd for debugging

Author: rpardini

patch/u-boot/v2026.04/defconfig/mekotronics-r58x-4g-rk3588_defconfig

@@ -25,6 +25,7 @@ CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_SPL_MAX_SIZE=0x40000
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
 CONFIG_SPL_ATF=y
+CONFIG_CMD_TCPM=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
@@ -82,6 +83,8 @@ CONFIG_USB_OHCI_GENERIC=y
 CONFIG_USB_DWC3=y
 CONFIG_USB_DWC3_GENERIC=y
 CONFIG_SPL_USB_DWC3_GENERIC=y
+CONFIG_TYPEC_TCPM=y
+CONFIG_TYPEC_FUSB302=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_ASIX88179=y