mpc8xx: remove IP860 board support

This board is still a non-generic board.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
diff --git a/arch/powerpc/cpu/mpc8xx/serial.c b/arch/powerpc/cpu/mpc8xx/serial.c
index bb16b17..af65c96 100644
--- a/arch/powerpc/cpu/mpc8xx/serial.c
+++ b/arch/powerpc/cpu/mpc8xx/serial.c
@@ -416,18 +416,13 @@
 	cp->cp_pbdir &= ~0x06;
 	cp->cp_pbodr &= ~0x06;
 
-#elif (SCC_INDEX < 2) || !defined(CONFIG_IP860)
+#elif (SCC_INDEX < 2)
 	/*
 	 * Standard configuration for SCC's is on Part A
 	 */
 	ip->iop_papar |=  ((3 << (2 * SCC_INDEX)));
 	ip->iop_padir &= ~((3 << (2 * SCC_INDEX)));
 	ip->iop_paodr &= ~((3 << (2 * SCC_INDEX)));
-#else
-	/*
-	 * The IP860 has SCC3 and SCC4 on Port D
-	 */
-	ip->iop_pdpar |=  ((3 << (2 * SCC_INDEX)));
 #endif
 
 	/* Allocate space for two buffer descriptors in the DP ram. */