configs: migrate CONFIG_IMX_THERMAL to defconfigs

Done via moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/pico-nymph-imx7d_defconfig b/configs/pico-nymph-imx7d_defconfig
index 085913e..dbfa2e0 100644
--- a/configs/pico-nymph-imx7d_defconfig
+++ b/configs/pico-nymph-imx7d_defconfig
@@ -67,6 +67,7 @@
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX7=y
 CONFIG_MXC_UART=y
+CONFIG_IMX_THERMAL=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y