arm64: dts: renesas: rzg2l-smarc: Use proper bool operator

When checking for defined macros, we want the boolean AND not the binary
one.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220603232940.21736-1-wsa+renesas@sang-engineering.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>