Merge pull request #714 from rwalli/doc-hc-swtg124as-19650

doc: add HC-SWTG124AS on PCB-SWTG024AS-A-V2.0.1_19650 with SW1 reset …

doc/devices/SWTG024AS-A-V2.0.1_4C_2SFP.md

@@ -5,7 +5,7 @@ It is highly similar to SWTG024AS-V2.0, with the only difference being the GPIO
 |Brand    |Type          |Managed|PCB                           |Flash           |Chip RTL|
 |---------|--------------|-------|------------------------------|----------------|--------|
 | Horaco  | ZX-SG4T2     | No    | PCB-SWTG024AS-A-V2.0.1_19650 | 512K (P25D40SH)| 8372N  |
-| Horaco  | HC-SWTG124AS | Yes   | PCB-SWTG024AS-A-V2.0.1       | 2M   (W25Q16JV)| 8372N  |
+| Horaco  | HC-SWTG124AS | Yes   | PCB-SWTG024AS-A-V2.0.1_19650 | 2M   (W25Q16JV)| 8372N  |
 | GoodTop | GT-ST024M    | Yes   | PCB-SWTG024AS-A-V2.0.1       | 2M             | 8372N  |
 
 ### Label specifications
@@ -35,6 +35,8 @@ Bottom
 
 <img src="photos/SWTG024AS-A-V2_0_1_19650/horaco-zx-sg4t2-pcb-bottom.jpg" width="300" />
 
+On Horaco HC-SWTG124AS with board PCB-SWTG024AS-A-V2.0.1_19650 the reset button is soldered at `SW1` (on the top left, GPIO48).
+
 ### J1, serial console
 
 | `J1` pin | Signal      |

machine/PCB_SWTG024AS_A_2_0_1.c

@@ -21,7 +21,7 @@ __code const struct machine machine = {
     .sfp_port[1].sds = 1,
     .sfp_port[1].i2c =  I2CBUS( GPIO39_I2C_SDA4, GPIO40_I2C_SCL3_MDC1 ),
 
-    .reset_pin = GPIO_NA,
+    .reset_pin = GPIO48_I2C_SCL1,
     .high_leds = { .mux =  LED_28_SYS | LED_29, .enable = LED_27 | LED_28_SYS | LED_29 },
     .port_led_set = { 0, 0, 0, 1, 0, 0, 0, 0, 1},
     .led_sets = {