stm32/boards/OPENMV_N6: Fix float implementation.

32-bit floats are needed for object representation C.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Author: iabdalkader

ports/stm32/boards/OPENMV_N6/mpconfigboard.mk

@@ -16,7 +16,7 @@ LD_FILES = boards/OPENMV_N6/board.ld boards/common_n6_flash.ld
 TEXT0_ADDR = 0x70080000
 
 # MicroPython settings
-MICROPY_FLOAT_IMPL = double
+MICROPY_FLOAT_IMPL = float
 MICROPY_PY_BLUETOOTH ?= 1
 MICROPY_BLUETOOTH_NIMBLE ?= 1
 MICROPY_BLUETOOTH_BTSTACK ?= 0