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/suvd3_defconfig b/configs/suvd3_defconfig
index 28e386d..c970cde 100644
--- a/configs/suvd3_defconfig
+++ b/configs/suvd3_defconfig
@@ -175,3 +175,6 @@
 CONFIG_OR3_CSNT_EARLIER=y
 CONFIG_OR3_SCY_3=y
 CONFIG_OR3_TRLX_RELAXED=y
+CONFIG_LCRR_DBYP_PLL_BYPASSED=y
+CONFIG_LCRR_EADC_1=y
+CONFIG_LCRR_CLKDIV_2=y