hw/arm: gsj add pca9548

hw/arm: gsj add pca9548

Tested: Quanta-gsj firmware booted.

i2c /dev entries driver
I2C init bus 1 freq 100000
I2C init bus 2 freq 100000
I2C init bus 3 freq 100000
I2C init bus 4 freq 100000
I2C init bus 8 freq 100000
I2C init bus 9 freq 100000
at24 9-0055: 8192 byte 24c64 EEPROM, writable, 1 bytes/write
I2C init bus 10 freq 100000
at24 10-0055: 8192 byte 24c64 EEPROM, writable, 1 bytes/write
I2C init bus 12 freq 100000
I2C init bus 15 freq 100000
i2c i2c-15: Added multiplexed i2c bus 16
i2c i2c-15: Added multiplexed i2c bus 17
i2c i2c-15: Added multiplexed i2c bus 18
i2c i2c-15: Added multiplexed i2c bus 19
i2c i2c-15: Added multiplexed i2c bus 20
i2c i2c-15: Added multiplexed i2c bus 21
i2c i2c-15: Added multiplexed i2c bus 22
i2c i2c-15: Added multiplexed i2c bus 23
pca954x 15-0075: registered 8 multiplexed busses for I2C switch pca9548

Signed-off-by: Patrick Venture <venture@google.com>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20210608202522.2677850-3-venture@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>