rf_drivers: modified default I2C timing
rf_drivers/PCA9555Driver: fix I2C address
sim: update pe43602 to new APIs
sim: update rfmd_ismm to new APIs
rf_drivers/SerialDataWriter: fix FSM mod API
Merge branch 'master' of https://github.com/brandonhamilton/rhino-gateware
rf_drivers: set default SPI timings