esp_psram: update esp_psram s2/s3 Kconfig description

components/esp_psram/esp32s2/Kconfig.spiram

@@ -62,7 +62,7 @@ menu "SPI RAM config"
         bool "Move Read-Only Data in Flash to PSRAM"
         default n
         help
-            If enabled, instructions in flash will be moved into PSRAM on startup.
+            If enabled, rodata in flash will be moved into PSRAM on startup.
             If SPIRAM_FETCH_INSTRUCTIONS is also enabled, code that requires execution during an SPI1 Flash operation
             can forgo being placed in IRAM, thus optimizing RAM usage (see External RAM documentation
             for more details).

components/esp_psram/esp32s3/Kconfig.spiram

@@ -71,7 +71,7 @@ menu "SPI RAM config"
         bool "Move Read-Only Data in Flash to PSRAM"
         default n
         help
-            If enabled, instructions in flash will be moved into PSRAM on startup.
+            If enabled, rodata in flash will be moved into PSRAM on startup.
             If SPIRAM_FETCH_INSTRUCTIONS is also enabled, code that requires execution during an SPI1 Flash operation
             can forgo being placed in IRAM, thus optimizing RAM usage (see External RAM documentation
             for more details).