feat: Bump flash / psram to 120 MHz from 80 MHz (#92)

sdkconfig.defaults

@@ -1,5 +1,10 @@
 CONFIG_IDF_TARGET="esp32s3"
 
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y
+
+CONFIG_SPI_FLASH_UNDER_HIGH_FREQ=y                                                                                    ....
+CONFIG_SPI_FLASH_HPM_ENA=y
+
 CONFIG_COMPILER_OPTIMIZATION_PERF=y
 # CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 
@@ -11,7 +16,7 @@ CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
 CONFIG_ESPTOOLPY_FLASHSIZE="16MB"
 # over twice as fast as DIO
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
-CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_FLASHFREQ_120M=y
 
 CONFIG_FREERTOS_HZ=1000
 
@@ -29,7 +34,8 @@ CONFIG_ESP_TIMER_TASK_STACK_SIZE=10240
 CONFIG_SPIRAM=y
 CONFIG_SPIRAM_USE_MALLOC=y
 CONFIG_SPIRAM_MODE_OCT=y
-CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_SPEED_120M=y
+CONFIG_SPIRAM_SPEED=120
 CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
 CONFIG_SPIRAM_RODATA=y
 # anything larger than this is attempted to allocate within SPIRAM first