Add FIRMWARE_FORMAT = hex for /keyboards/kinesis/kint36 and /keyboards/kinesis/kint41 (#14665)

* Specify hex as the default FIRMWARE_FORMAT which is copied to qmk_firmware root folder

* Specify hex as the default FIRMWARE_FORMAT which is copied to qmk_firmware root folder

Co-authored-by: sadkins <sadkins@iMac-Pro.local>

keyboards/kinesis/kint36/rules.mk

@@ -4,3 +4,6 @@ MCU   = MK66F18
 # Debounce eagerly (report change immediately), keep per-key timers. We can use
 # this because the kinT does not have to deal with noise.
 DEBOUNCE_TYPE = sym_eager_pk
+
+#Specify firmware format that is copied to root qmk_firmware folder
+FIRMWARE_FORMAT = hex

keyboards/kinesis/kint41/rules.mk

@@ -10,3 +10,6 @@ ARMV = 7
 # this because the Cherry MX keyswitches on the Kinesis only produce noise while
 # pressed.
 DEBOUNCE_TYPE = sym_eager_pk
+
+#Specify firmware format that is copied to root qmk_firmware folder
+FIRMWARE_FORMAT = hex