README: Added PSOC6 port to list of tier 1.

Signed-off-by: jaenrig-ifx <enriquezgarcia.external@infineon.com>

Author: jaenrig-ifx

README.md

@@ -112,6 +112,7 @@ are mature and have the most active development, support and testing:
 |--------------------------|----------------------------------------------------------------------------------------|----------------------------------------------------------------------|
 | [esp32](ports/esp32)*    | Espressif ESP32 SoCs (ESP32, ESP32S2, ESP32S3, ESP32C3, ESP32C6)                       | [here](https://docs.micropython.org/en/latest/esp32/quickref.html)   |
 | [mimxrt](ports/mimxrt)   | NXP m.iMX RT                                                                           | [here](https://docs.micropython.org/en/latest/mimxrt/quickref.html)  |
+| [psoc6](ports/psoc6)     | Infineon PSOC6                                                                         | [here](https://docs.micropython.org/en/latest/psoc6/quickref.html)  |
 | [rp2](ports/rp2)         | Raspberry Pi RP2040 and RP2350                                                         | [here](https://docs.micropython.org/en/latest/rp2/quickref.html)     |
 | [samd](ports/samd)       | Microchip (formerly Atmel) SAMD21 and SAMD51                                           | [here](https://docs.micropython.org/en/latest/samd/quickref.html)    |
 | [stm32](ports/stm32)     | STMicroelectronics STM32 MCUs (F0, F4, F7, G0, G4, H5, H7, L0, L1, L4, N6, WB, WL)     | [here](https://docs.micropython.org/en/latest/pyboard/quickref.html) |