[paulc]

Update reset/enable_debug for CH59x - allows wchisp config enable-debug to work on CH59x (fixes #93)

Tested on WeAct CH592F board,

% ./target/release/wchisp config reset 
16:18:07 [INFO] Opening USB device #0
16:18:07 [INFO] Current config registers: ffffffffffffffffdd0fff4f
16:18:07 [INFO] Reset config registers:   ffffffffffffffff4d0fff4f
16:18:07 [INFO] Config register restored to default value(non-protected, debug-enabled)

% ./target/release/wchisp info 
16:18:14 [INFO] Opening USB device #0
16:18:14 [INFO] Chip: CH592[0x9222] (Code Flash: 448KiB, Data EEPROM: 32KiB)
16:18:14 [INFO] Chip UID: DC-D1-54-5E-3D-0C-6D-3C
16:18:14 [INFO] BTVER(bootloader ver): 02.30
16:18:14 [INFO] Current config registers: ffffffffffffffff4d0fff4f00020300dcd1545e3d0c6d3c
RESERVED: 0xFFFFFFFF
WPROTECT: 0xFFFFFFFF
  [0:0]   NO_KEY_SERIAL_DOWNLOAD 0x1 (0b1)
    `- Enable
  [1:1]   DOWNLOAD_CFG 0x1 (0b1)
    `- PB22(Default set)
USER_CFG: 0x4FFF0F4D
  [2:0]   RESERVED 0x5 (0b101)
    `- Default
  [3:3]   CFG_RESET_EN 0x1 (0b1)
    `- Enable
  [4:4]   CFG_DEBUG_EN 0x0 (0b0)
    `- Disable
  [5:5]   RESERVED 0x0 (0b0)
    `- Default
  [6:6]   CFG_BOOT_EN 0x1 (0b1)
    `- Enable
  [7:7]   CFG_ROM_READ 0x0 (0b0)
    `- Disable the programmer to read out, and keep the program secret
  [27:8]  RESERVED 0xFFF0F (0b11111111111100001111)
    `- Error
  [31:28] VALID_SIG 0x4 (0b100)
    `- Valid

% ./target/release/wchisp config enable-debug 
16:18:20 [INFO] Opening USB device #0
16:18:20 [INFO] Current config registers: ffffffffffffffff4d0fff4f
16:18:20 [INFO] Reset config registers to debug enabled:   ffffffffffffffffdd0fff4f
16:18:20 [INFO] Debug mode enabled

% ./target/release/wchisp info 
16:18:24 [INFO] Opening USB device #0
16:18:24 [INFO] Chip: CH592[0x9222] (Code Flash: 448KiB, Data EEPROM: 32KiB)
16:18:24 [INFO] Chip UID: DC-D1-54-5E-3D-0C-6D-3C
16:18:24 [INFO] BTVER(bootloader ver): 02.30
16:18:24 [INFO] Current config registers: ffffffffffffffffdd0fff4f00020300dcd1545e3d0c6d3c
RESERVED: 0xFFFFFFFF
WPROTECT: 0xFFFFFFFF
  [0:0]   NO_KEY_SERIAL_DOWNLOAD 0x1 (0b1)
    `- Enable
  [1:1]   DOWNLOAD_CFG 0x1 (0b1)
    `- PB22(Default set)
USER_CFG: 0x4FFF0FDD
  [2:0]   RESERVED 0x5 (0b101)
    `- Default
  [3:3]   CFG_RESET_EN 0x1 (0b1)
    `- Enable
  [4:4]   CFG_DEBUG_EN 0x1 (0b1)
    `- Enable
  [5:5]   RESERVED 0x0 (0b0)
    `- Default
  [6:6]   CFG_BOOT_EN 0x1 (0b1)
    `- Enable
  [7:7]   CFG_ROM_READ 0x1 (0b1)
    `- Read enable
  [27:8]  RESERVED 0xFFF0F (0b11111111111100001111)
    `- Error
  [31:28] VALID_SIG 0x4 (0b100)
    `- Valid