gru: Make more code space by disabling configs
Disable CMD_IDLE_STATS and USB_PD_LOGGING for gru in order to make
more code space for upcoming 64-bit host event support
BRANCH=None
TEST=make -j BOARD=gru
/* Gru is especially limited on code space */
#ifdef BOARD_GRU
+#undef CONFIG_CMD_IDLE_STATS
#undef CONFIG_CMD_I2C_XFER
+#undef CONFIG_USB_PD_LOGGING
#undef CONFIG_CMD_SHMEM
#undef CONFIG_CMD_USBMUX
#undef CONFIG_CMD_TYPEC
