meta-nuvoton: Reenable I2C for NPCM7xx

340c15a259 in Nuvoton Linux 5.10 pulled in changes from upstream, one
of which renamed the I2C kconfig from I2C_NPCM7XX to I2C_NPCM. Add the
new option, but keep the old one for backwards for compatibility with
platforms pinned on older kernel version.

Change-Id: I006b09d72f8a6a5cbe14751a15cab58fdf315829
Signed-off-by: Vlad Sytchenko <vsytch@google.com>
diff --git a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton/defconfig b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton/defconfig
index 06027cd..d8e3e36 100644
--- a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton/defconfig
+++ b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton/defconfig
@@ -61,6 +61,7 @@
 CONFIG_HW_RANDOM=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_NPCM=y
 CONFIG_I2C_NPCM7XX=y
 CONFIG_SPI=y
 CONFIG_SPI_NPCM_FIU=y