PPC: remove dead boards (AMX860, c2mon, ETX094, IAD210, LANTEC, SCM)

These boards have long reached EOL, and there has been no indication
of any active users of such hardware for years.  Get rid of the dead
weight.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Wolfgang Grandegger <wg@denx.de>
diff --git a/arch/powerpc/cpu/mpc8xx/scc.c b/arch/powerpc/cpu/mpc8xx/scc.c
index 2c93e24..2ef77b4 100644
--- a/arch/powerpc/cpu/mpc8xx/scc.c
+++ b/arch/powerpc/cpu/mpc8xx/scc.c
@@ -473,20 +473,6 @@
 	*((uint *) BCSR1) &= ~BCSR1_ETHEN;
 #endif /* MPC860ADS */
 
-#if defined(CONFIG_AMX860)
-	/*
-	 * Port B is used to control the PHY,MC68160.
-	 */
-	immr->im_cpm.cp_pbdir |=
-		(PB_ENET_ETHLOOP | PB_ENET_TPFLDL | PB_ENET_TPSQEL);
-
-	immr->im_cpm.cp_pbdat |= PB_ENET_TPFLDL;
-	immr->im_cpm.cp_pbdat &= ~(PB_ENET_ETHLOOP | PB_ENET_TPSQEL);
-
-	immr->im_ioport.iop_pddir |= PD_ENET_ETH_EN;
-	immr->im_ioport.iop_pddat &= ~PD_ENET_ETH_EN;
-#endif /* AMX860 */
-
 #ifdef CONFIG_RPXCLASSIC
 	*((uchar *) BCSR0) &= ~BCSR0_ETHLPBK;
 	*((uchar *) BCSR0) |= (BCSR0_ETHEN | BCSR0_COLTEST | BCSR0_FULLDPLX);
@@ -542,7 +528,7 @@
 	 */
 #if defined (CONFIG_FADS)
 	udelay (10000);		/* wait 10 ms */
-#elif defined (CONFIG_AMX860) || defined(CONFIG_RPXCLASSIC)
+#elif defined(CONFIG_RPXCLASSIC)
 	udelay (100000);	/* wait 100 ms */
 #endif