powerpc: remove RPXClassic, RPXlite boards support

Enough time has passed since these boards were moved to Orphan. Remove.

 - Remove board/RPXlite/*
 - Remove board/RPXClassic/*
 - Remove include/configs/RPXlite.h
 - Remove include/configs/RPXClassic.h
 - Clean-up defined(CONFIG_RPXCLASSIC)
 - Move the entry from boards.cfg to doc/README.scrapyard

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c b/arch/powerpc/cpu/mpc8xx/cpu_init.c
index 69455c7..9c3102d 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c
@@ -138,7 +138,6 @@
     defined(CONFIG_MHPC)	|| \
     defined(CONFIG_R360MPI)	|| \
     defined(CONFIG_RMU)		|| \
-    defined(CONFIG_RPXCLASSIC)	|| \
     defined(CONFIG_RPXLITE)	|| \
     defined(CONFIG_SPC1920)	|| \
     defined(CONFIG_SPD823TS)
@@ -207,10 +206,6 @@
 		__asm__ ("eieio");
 	} while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
 
-#ifdef CONFIG_RPXCLASSIC
-	rpxclassic_init ();
-#endif
-
 #if defined(CONFIG_RPXLITE) && defined(CONFIG_ENV_IS_IN_NVRAM)
 	rpxlite_init ();
 #endif
diff --git a/arch/powerpc/cpu/mpc8xx/scc.c b/arch/powerpc/cpu/mpc8xx/scc.c
index 647f058..5da6973 100644
--- a/arch/powerpc/cpu/mpc8xx/scc.c
+++ b/arch/powerpc/cpu/mpc8xx/scc.c
@@ -461,11 +461,6 @@
 #error Configuration Error: exactly ONE of PB_ENET_TENA, PC_ENET_TENA must be defined
 #endif
 
-#ifdef CONFIG_RPXCLASSIC
-	*((uchar *) BCSR0) &= ~BCSR0_ETHLPBK;
-	*((uchar *) BCSR0) |= (BCSR0_ETHEN | BCSR0_COLTEST | BCSR0_FULLDPLX);
-#endif
-
 #ifdef CONFIG_RPXLITE
 	*((uchar *) BCSR0) |= BCSR0_ETHEN;
 #endif
@@ -512,8 +507,6 @@
 	 */
 #if defined (CONFIG_FADS)
 	udelay (10000);		/* wait 10 ms */
-#elif defined(CONFIG_RPXCLASSIC)
-	udelay (100000);	/* wait 100 ms */
 #endif
 
 	return 1;
diff --git a/arch/powerpc/cpu/mpc8xx/serial.c b/arch/powerpc/cpu/mpc8xx/serial.c
index f7ca11e..9321411 100644
--- a/arch/powerpc/cpu/mpc8xx/serial.c
+++ b/arch/powerpc/cpu/mpc8xx/serial.c
@@ -182,7 +182,7 @@
 #endif
 #endif	/* CONFIG_FADS */
 
-#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC)
+#if defined(CONFIG_RPXLITE)
 	/* Enable Monitor Port Transceiver */
 	*((uchar *) BCSR0) |= BCSR0_ENMONXCVR ;
 #endif /* CONFIG_RPXLITE */