ACPI: Remove CONFIG_GENERATE_ACPI_TABLES

As currently many systems would be barely functional without ACPI,
always generate ACPI tables if supported.

Change-Id: I372dbd03101030c904dab153552a1291f3b63518
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4609
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
diff --git a/src/southbridge/amd/cimx/sb800/Makefile.inc b/src/southbridge/amd/cimx/sb800/Makefile.inc
index 5cf989f..1c65eee 100644
--- a/src/southbridge/amd/cimx/sb800/Makefile.inc
+++ b/src/southbridge/amd/cimx/sb800/Makefile.inc
@@ -32,7 +32,7 @@
 ramstage-$(CONFIG_SB800_MANUAL_FAN_CONTROL) += fan.c
 ramstage-$(CONFIG_SB800_IMC_FAN_CONTROL) += fan.c
 ramstage-$(CONFIG_SPI_FLASH) += spi.c
-ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += fadt.c
+ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c
 
 romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += ../../sb800/enable_usbdebug.c
 ramstage-$(CONFIG_USBDEBUG) += ../../sb800/enable_usbdebug.c