[PATCH 2/4] i2c: uniphier-f: fill TX-FIFO only in IRQ handler for repeated START

- For a repeated START condition, this controller starts data transfer immediately after the slave address is written to the TX-FIFO. - Once the TX-FIFO empty interrupt is asserted, the controller makes a pause even if additional data are written to the TX-FIFO. Given those

[PATCH 2/4] i2c: uniphier-f: fill TX-FIFO only in IRQ handler for repeated START

- For a repeated START condition, this controller starts data transfer immediately after the slave address is written to the TX-FIFO. - Once the TX-FIFO empty interrupt is asserted, the controller makes a pause even if additional data are written to the TX-FIFO. Given those