Commit 552b0bbe12 did not define
MICROPY_PY_MACHINE_SDCARD properly, and thus building the firmware failed.
Signed-off-by: robert-hh <robert@hammelrath.com>
This is option is no longer needed as a Makefile option as the USDHC driver
is enabled for all supported series.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
At the Adafruit Metro M7 the pin GPIO_AD_13 is used for JTAG. Therefore
it is not configured for RTS at UART 2 and 3.
Signed-off-by: robert-hh <robert@hammelrath.com>