got LEDs working, ribbon trail program initially implemented

- fixed soft I2C master set hi/lo routines
- fixed bug in matrix_send not setting all LEDs from map
- fix AWU interrupt not firing; requires EXTI line to be configured too even if unused
- fixed wrong dividers used in system clock set function

firmware/.template

@@ -10,10 +10,10 @@ PeripheralVersion=1.9
 Description=Website: https://www.wch.cn/products/CH32X035.html?\nROM(byte): 62K, SRAM(byte): 20K, CHIP PINS: 28, GPIO PORTS: 27.\nWCH CH32X035 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
 Mcu Type=CH32X035
 Address=0x08000000
-Target Path=obj/CH32X035G8U6.hex
+Target Path=obj\hsc26_art2.hex
 Exe Path=
 Exe Arguments=
-CLKSpeed=1
+CLKSpeed=2
 DebugInterfaceMode=0
 Erase All=true
 Program=true