Fix up various spacing, comments, and typos

Marlin/src/HAL/HAL_DUE/HAL_spi_Due.cpp

Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp

Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.cpp

Marlin/src/HAL/HAL_LPC1768/arduino.cpp

Marlin/src/HAL/HAL_LPC1768/u8g/HAL_LCD_pin_routines.c

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp

...in/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp

...68/u8g_com_HAL_LPC1768_ssd_sw_i2c.cpp under construction

...src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp

...src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

Marlin/src/feature/tmc_util.cpp

Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp

Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp

Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp