[IA64] Rename platform_name to ia64_platform_name

The macro name is too generic and conflicts with
snd_soc_dai_link.platform_name, which triggers lots of build errors.

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 367d299..2d1ad4b1 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -120,7 +120,7 @@
 # ifdef MACHVEC_PLATFORM_HEADER
 #  include MACHVEC_PLATFORM_HEADER
 # else
-#  define platform_name		ia64_mv.name
+#  define ia64_platform_name	ia64_mv.name
 #  define platform_setup	ia64_mv.setup
 #  define platform_cpu_init	ia64_mv.cpu_init
 #  define platform_irq_init	ia64_mv.irq_init