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/strider_con_defconfig b/configs/strider_con_defconfig
index b11a26c..9f05b56 100644
--- a/configs/strider_con_defconfig
+++ b/configs/strider_con_defconfig
@@ -130,3 +130,5 @@
 CONFIG_OR1_SCY_5=y
 CONFIG_OR1_XAM_SET=y
 CONFIG_OR1_EHTR_NORMAL=y
+CONFIG_LCRR_DBYP_PLL_BYPASSED=y
+CONFIG_LCRR_CLKDIV_2=y