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/MPC837XEMDS_SLAVE_defconfig b/configs/MPC837XEMDS_SLAVE_defconfig
index 7d1f405..421e176 100644
--- a/configs/MPC837XEMDS_SLAVE_defconfig
+++ b/configs/MPC837XEMDS_SLAVE_defconfig
@@ -131,3 +131,5 @@
 CONFIG_OR3_CHT_TWO_CLOCK=y
 CONFIG_OR3_CST_ONE_CLOCK=y
 CONFIG_OR3_EHTR_8_CYCLE=y
+CONFIG_LCRR_DBYP_PLL_BYPASSED=y
+CONFIG_LCRR_CLKDIV_8=y