kill CONFIG_IA64_EARLY_PRINTK_SN

This patch removes the obsolete sn specific early printk call. Now that our driver supports early output, it's no longer necessary (and in fact no longer exists). I'm too chicken to kill the other code, but maybe Bjorn will do that once the HP machines have a good early console driver.

Jesse

===== kernel/printk.c 1.39 vs edited =====

@@ -1013,9 +1013,6 @@
 #ifdef CONFIG_IA64_EARLY_PRINTK_VGA
 	early_printk_vga(str, len);
 #endif
-#ifdef CONFIG_IA64_EARLY_PRINTK_SGI_SN
- 	early_printk_sn_sal(str, len);
-#endif
 }
 
 #endif /* CONFIG_IA64_EARLY_PRINTK */

===== arch/ia64/Kconfig 1.64 vs edited =====

@@ -454,10 +454,6 @@
 	bool "Early printk on VGA"
 	depends on IA64_EARLY_PRINTK
 
-config IA64_EARLY_PRINTK_SGI_SN
-	bool "Early printk on SGI SN serial console"
-	depends on IA64_EARLY_PRINTK && (IA64_GENERIC || IA64_SGI_SN2)
-
 config DEBUG_SLAB
 	bool "Debug memory allocations"
 	depends on DEBUG_KERNEL