arch/risc-v/espressif: Fix auto light sleep enable flag

Fix auto light sleep enable flag

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>

arch/risc-v/src/common/espressif/esp_pm.c

@@ -895,7 +895,7 @@ int esp_pmconfigure(void)
       .min_freq_mhz = CONFIG_ESPRESSIF_CPU_FREQ_MHZ,
 #endif
 #ifdef CONFIG_ESPRESSIF_AUTO_SLEEP
-      .light_sleep_enable = false
+      .light_sleep_enable = true
 #endif
     };