[POWERPC] Kill non-existent symbols from ksyms and commproc.h

Remove exports of __res and cpm_install_handler/cpm_free_handler.  Remove
cpm_install_handler/cpm_free_handler from the commproc.h as well.  Both
were used for ARCH=ppc and aren't defined for ARCH=powerpc.

CC      arch/powerpc/kernel/ppc_ksyms.o
arch/powerpc/kernel/ppc_ksyms.c:180: error: '__res' undeclared here (not in a function)
arch/powerpc/kernel/ppc_ksyms.c:180: warning: type defaults to 'int' in declaration of '__res'
make[1]: *** [arch/powerpc/kernel/ppc_ksyms.o] Error 1
make: *** [arch/powerpc/kernel] Error 2

LD      .tmp_vmlinux1
arch/powerpc/kernel/built-in.o:(__ksymtab+0x198): undefined reference to `cpm_free_handler'
arch/powerpc/kernel/built-in.o:(__ksymtab+0x1a0): undefined reference to `cpm_install_handler'
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/kernel/ppc_ksyms.c

@@ -45,10 +45,6 @@
 #include <asm/signal.h>
 #include <asm/dcr.h>
 
-#ifdef  CONFIG_8xx
-#include <asm/commproc.h>
-#endif
-
 #ifdef CONFIG_PPC64
 EXPORT_SYMBOL(local_irq_restore);
 #endif
@@ -172,14 +168,6 @@ EXPORT_SYMBOL(console_drivers);
 EXPORT_SYMBOL(cacheable_memcpy);
 #endif
 
-#ifdef  CONFIG_8xx
-EXPORT_SYMBOL(cpm_install_handler);
-EXPORT_SYMBOL(cpm_free_handler);
-#endif /* CONFIG_8xx */
-#if defined(CONFIG_8xx)
-EXPORT_SYMBOL(__res);
-#endif
-
 #ifdef CONFIG_PPC32
 EXPORT_SYMBOL(next_mmu_context);
 EXPORT_SYMBOL(set_context);

include/asm-powerpc/commproc.h

@@ -698,9 +698,6 @@ typedef struct risc_timer_pram {
 #define CICR_IEN		((uint)0x00000080)	/* Int. enable */
 #define CICR_SPS		((uint)0x00000001)	/* SCC Spread */
 
-extern void cpm_install_handler(int vec, void (*handler)(void *), void *dev_id);
-extern void cpm_free_handler(int vec);
-
 #define IMAP_ADDR		(get_immrbase())
 
 #define CPM_PIN_INPUT     0