[SPARC]: Handle UNWIND_INFO properly.

For sparc32 we need R_SPARC_UA32 relocation support, for
sparc64 we need the handle R_SPARC_DISP32 relocations.

Based upon reports and initial patch by Martin Habets.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6ecc180..ccb0c1f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -189,7 +189,7 @@
 config UNWIND_INFO
 	bool "Compile the kernel with frame unwind information"
 	depends on !IA64
-	depends on !MODULES || !(MIPS || PARISC || PPC || SUPERH || SPARC64 || V850)
+	depends on !MODULES || !(MIPS || PARISC || PPC || SUPERH || V850)
 	help
 	  If you say Y here the resulting kernel image will be slightly larger
 	  but not slower, and it will give very useful debugging information.