feat(core): Add option to support chip variants

Author: me-no-dev

boards.txt

@@ -19,6 +19,7 @@ menu.EraseFlash=Erase All Flash Before Sketch Upload
 menu.JTAGAdapter=JTAG Adapter
 menu.ZigbeeMode=Zigbee Mode
 menu.PinNumbers=Pin Numbering
+menu.ChipVariant=Chip Variant
 
 # Custom options
 menu.Revision=Board Revision
@@ -398,6 +399,7 @@ esp32p4.build.target=esp
 esp32p4.build.mcu=esp32p4
 esp32p4.build.core=esp32
 esp32p4.build.variant=esp32p4
+esp32p4.build.chip_variant=esp32p4_es
 esp32p4.build.board=ESP32P4_DEV
 esp32p4.build.bootloader_addr=0x2000
 
@@ -414,6 +416,13 @@ esp32p4.build.boot=qio
 esp32p4.build.partitions=default
 esp32p4.build.defines=
 
+esp32p4.menu.ChipVariant.prev3=Before v3.00
+esp32p4.menu.ChipVariant.prev3.build.chip_variant=esp32p4_es
+esp32p4.menu.ChipVariant.prev3.build.f_cpu=360000000L
+esp32p4.menu.ChipVariant.postv3=v3.00 or newer
+esp32p4.menu.ChipVariant.postv3.build.chip_variant=esp32p4
+esp32p4.menu.ChipVariant.prev3.build.f_cpu=400000000L
+
 ## IDE 2.0 Seems to not update the value
 esp32p4.menu.JTAGAdapter.default=Disabled
 esp32p4.menu.JTAGAdapter.default.build.copy_jtag_files=0

platform.txt

@@ -27,8 +27,8 @@ tools.gen_insights_pkg.cmd.windows="{runtime.platform.path}\tools\gen_insights_p
 compiler.path={tools.{build.tarch}-esp-elf-gcc.path}/bin/
 compiler.prefix={build.tarch}-{build.target}-elf-
 
-compiler.sdk.path={tools.esp32-arduino-libs.path}/{build.mcu}
-compiler.sdk.path.windows={tools.esp32-arduino-libs.path}\{build.mcu}
+compiler.sdk.path={tools.esp32-arduino-libs.path}/{build.chip_variant}
+compiler.sdk.path.windows={tools.esp32-arduino-libs.path}\{build.chip_variant}
 
 # EXPERIMENTAL feature: optimization flags
 #  - this is alpha and may be subject to change without notice
@@ -105,6 +105,7 @@ build.event_core=
 build.extra_flags=-DARDUINO_HOST_OS="{runtime.os}" -DARDUINO_FQBN="{build.fqbn}" -DESP32=ESP32 -DCORE_DEBUG_LEVEL={build.code_debug} {build.loop_core} {build.event_core} {build.defines} {build.extra_flags.{build.mcu}} {build.zigbee_mode}
 build.extra_libs=
 build.memory_type={build.boot}_qspi
+build.chip_variant={build.mcu}
 
 # Custom build options
 build.opt.name=build_opt.h