Move everything from /arch to /variant (#8831)

variants/esp32c6/esp32c6.ini

@@ -0,0 +1,47 @@
+[esp32c6_base]
+extends = esp32_base
+platform =
+  # Do not renovate until we have switched to pioarduino tagged builds
+  https://github.com/Jason2866/platform-espressif32/archive/22faa566df8c789000f8136cd8d0aca49617af55.zip
+build_flags =
+  ${arduino_base.build_flags}
+  -Wall
+  -Wextra
+  -Isrc/platform/esp32
+  -std=c++11
+  -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
+  -DSERIAL_BUFFER_SIZE=4096
+  -DLIBPAX_ARDUINO
+  -DLIBPAX_WIFI
+  -DLIBPAX_BLE
+  -DMESHTASTIC_EXCLUDE_WEBSERVER
+  ;-DDEBUG_HEAP
+  ; TEMP
+  -DHAS_BLUETOOTH=0
+  -DMESHTASTIC_EXCLUDE_PAXCOUNTER
+  -DMESHTASTIC_EXCLUDE_BLUETOOTH
+
+lib_deps =
+  ${arduino_base.lib_deps}
+  ${networking_base.lib_deps}
+  ${environmental_base.lib_deps}
+  ${environmental_extra.lib_deps}
+  ${radiolib_base.lib_deps}
+  # renovate: datasource=custom.pio depName=XPowersLib packageName=lewisxhe/library/XPowersLib
+  lewisxhe/XPowersLib@0.3.2
+  # renovate: datasource=git-refs depName=meshtastic-ESP32_Codec2 packageName=https://github.com/meshtastic/ESP32_Codec2 gitBranch=master
+  https://github.com/meshtastic/ESP32_Codec2/archive/633326c78ac251c059ab3a8c430fcdf25b41672f.zip
+  # renovate: datasource=custom.pio depName=rweather/Crypto packageName=rweather/library/Crypto
+  rweather/Crypto@0.4.0
+
+build_src_filter = 
+ ${esp32_base.build_src_filter} -<mesh/http> 
+
+monitor_speed = 460800
+monitor_filters = esp32_c3_exception_decoder
+
+lib_ignore =
+  NonBlockingRTTTL
+  NimBLE-Arduino
+  libpax
+