[ACPI] delete CONFIG_ACPI_BOOT

it has been a synonym for CONFIG_ACPI since 2.6.12

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/asm-i386/acpi.h b/include/asm-i386/acpi.h
index cf828ac..1f1ade9 100644
--- a/include/asm-i386/acpi.h
+++ b/include/asm-i386/acpi.h
@@ -103,7 +103,7 @@
         :"=r"(n_hi), "=r"(n_lo)     \
         :"0"(n_hi), "1"(n_lo))
 
-#ifdef CONFIG_ACPI_BOOT 
+#ifdef CONFIG_ACPI 
 extern int acpi_lapic;
 extern int acpi_ioapic;
 extern int acpi_noirq;
@@ -146,7 +146,7 @@
 
 #endif
 
-#else	/* CONFIG_ACPI_BOOT */
+#else	/* !CONFIG_ACPI */
 #  define acpi_lapic 0
 #  define acpi_ioapic 0