revert "boards: m5stack/m5stack_cores3: disable in twister"

This reverts commit 410c8a57e09df46751ca616eae2bf4ed80b7a1f1 so that
m5stack_cores3 can be tested properly.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
diff --git a/boards/m5stack/m5stack_cores3/m5stack_cores3_appcpu.yaml b/boards/m5stack/m5stack_cores3/m5stack_cores3_appcpu.yaml
index fcf856b..19e6b77 100644
--- a/boards/m5stack/m5stack_cores3/m5stack_cores3_appcpu.yaml
+++ b/boards/m5stack/m5stack_cores3/m5stack_cores3_appcpu.yaml
@@ -1,7 +1,6 @@
 identifier: m5stack_cores3/esp32s3/appcpu
 name: M5Stack CoreS3 APPCPU
 type: mcu
-twister: false
 arch: xtensa
 toolchain:
   - zephyr
diff --git a/boards/m5stack/m5stack_cores3/m5stack_cores3_procpu.yaml b/boards/m5stack/m5stack_cores3/m5stack_cores3_procpu.yaml
index 15da2ed..e0e1f9c 100644
--- a/boards/m5stack/m5stack_cores3/m5stack_cores3_procpu.yaml
+++ b/boards/m5stack/m5stack_cores3/m5stack_cores3_procpu.yaml
@@ -1,7 +1,6 @@
 identifier: m5stack_cores3/esp32s3/procpu
 name: M5Stack CoreS3 PROCPU
 type: mcu
-twister: false
 arch: xtensa
 toolchain:
   - zephyr