ARM: imx: Fix CONFIG_BOOTCOUNT_ALTBOOTCMD update on Data Modul i.MX8M Mini eDM SBC

The environment is missing quotes for string variable, add them.

Fixes: 940135eea5df ("Kconfig: Move CONFIG_BOOTCOUNT_ALTBOOTCMD to Kconfig")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed