arm64: dts: qcom: msm8939-longcheer-l9100: Enable wcnss_mem

Enable &wcnss_mem for msm8939-longcheer-l9100. This is needed now to
have WCNSS working. It was missed when &wcnss_mem was disabled by
default because the patch with the msm8939-longcheer-l9100 device tree
was not applied yet.

Fixes: 0ece6438 ("arm64: dts: qcom: msm8916/39: Disable unneeded firmware reservations")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: André Apitzsch <git@apitzsch.eu>
Tested-by: André Apitzsch <git@apitzsch.eu>
Link: https://lore.kernel.org/r/20230921-msm8916-rmem-fixups-v1-2-34d2b6e721cf@gerhold.netSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/msm8939-longcheer-l9100.dts

@@ -247,6 +247,10 @@ &wcnss_iris {
 	compatible = "qcom,wcn3620";
 };
 
+&wcnss_mem {
+	status = "okay";
+};
+
 &tlmm {
 	button_backlight_default: button-backlight-default-state {
 		pins = "gpio17";