mpc83xx: Migrate CONFIG_LCRR_* to Kconfig

Migrate the CONFIG_LCRR_* settings to Kconfig.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/configs/MPC8313ERDB_NAND_66_defconfig b/configs/MPC8313ERDB_NAND_66_defconfig
index ab8e315..2dc31ed 100644
--- a/configs/MPC8313ERDB_NAND_66_defconfig
+++ b/configs/MPC8313ERDB_NAND_66_defconfig
@@ -166,3 +166,5 @@
 CONFIG_OR2_XACS_EXTENDED=y
 CONFIG_OR2_TRLX_RELAXED=y
 CONFIG_OR2_EHTR_8_CYCLE=y
+CONFIG_LCRR_EADC_1=y
+CONFIG_LCRR_CLKDIV_4=y