fix(module): minor fixes to get nicehatharry working as zmk module

[SethMilliken]

• disable i2c to prevent compilation error (cf. https://github.com/zmkfirmware/zmk/blob/main/app/boards/shields/nice_view_adapter/boards/nice_nano_v2.overlay#L33)

...
static assertion failed: "Only one of the following peripherals can be
enabled: SPI0, SPIM0, SPIS0, TWI0, TWIM0, TWIS0. Check nodes with status
\"okay\" in zephyr.dts."
...

• explicitly disable OLED (cf. https://github.com/zmkfirmware/zmk/blob/main/app/boards/shields/nice_view_adapter/nice_view_adapter.conf)

...
/__w/zmk-config/zmk-config/zephyr/drivers/display/ssd1306.c:518:1: note:
in expansion of macro 'DT_FOREACH_STATUS_OKAY'
  518 | DT_FOREACH_STATUS_OKAY(solomon_ssd1306fb, SSD1306_DEFINE)
      | ^~~~~~~~~~~~~~~~~~~~~~
...

[SethMilliken]