x86: kconfig: Let board select BOARD_EARLY_INIT_F

CONFIG_BOARD_EARLY_INIT_F literally indicates board-specific codes
and should be not 'default y' for all x86 boards.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/advantech/som-db5800-som-6867/Kconfig b/board/advantech/som-db5800-som-6867/Kconfig
index f6f3748..945aa43 100644
--- a/board/advantech/som-db5800-som-6867/Kconfig
+++ b/board/advantech/som-db5800-som-6867/Kconfig
@@ -21,6 +21,7 @@
 	select X86_RESET_VECTOR if !EFI_STUB
 	select INTEL_BAYTRAIL
 	select BOARD_ROMSIZE_KB_8192
+	select BOARD_EARLY_INIT_F
 
 config PCIE_ECAM_BASE
 	default 0xe0000000
diff --git a/board/congatec/conga-qeval20-qa3-e3845/Kconfig b/board/congatec/conga-qeval20-qa3-e3845/Kconfig
index 24b8f69..f91ffa1 100644
--- a/board/congatec/conga-qeval20-qa3-e3845/Kconfig
+++ b/board/congatec/conga-qeval20-qa3-e3845/Kconfig
@@ -21,6 +21,7 @@
 	select X86_RESET_VECTOR if !EFI_STUB
 	select INTEL_BAYTRAIL
 	select BOARD_ROMSIZE_KB_8192
+	select BOARD_EARLY_INIT_F
 	select BOARD_LATE_INIT
 
 config PCIE_ECAM_BASE
diff --git a/board/dfi/dfi-bt700/Kconfig b/board/dfi/dfi-bt700/Kconfig
index fca8b53..59f45ef 100644
--- a/board/dfi/dfi-bt700/Kconfig
+++ b/board/dfi/dfi-bt700/Kconfig
@@ -21,6 +21,7 @@
 	select X86_RESET_VECTOR if !EFI_STUB
 	select INTEL_BAYTRAIL
 	select BOARD_ROMSIZE_KB_8192
+	select BOARD_EARLY_INIT_F
 	select BOARD_LATE_INIT
 
 config PCIE_ECAM_BASE
diff --git a/board/google/chromebook_link/link.c b/board/google/chromebook_link/link.c
index 42615e1..64e7c1a 100644
--- a/board/google/chromebook_link/link.c
+++ b/board/google/chromebook_link/link.c
@@ -16,8 +16,3 @@
 {
 	return 0;
 }
-
-int board_early_init_f(void)
-{
-	return 0;
-}
diff --git a/board/google/chromebook_samus/samus.c b/board/google/chromebook_samus/samus.c
index 3c3f5d4..356b92a 100644
--- a/board/google/chromebook_samus/samus.c
+++ b/board/google/chromebook_samus/samus.c
@@ -11,8 +11,3 @@
 {
 	return cpu_run_reference_code();
 }
-
-int board_early_init_f(void)
-{
-	return 0;
-}
diff --git a/board/google/chromebox_panther/panther.c b/board/google/chromebox_panther/panther.c
index e3baf88..ed60e44 100644
--- a/board/google/chromebox_panther/panther.c
+++ b/board/google/chromebox_panther/panther.c
@@ -11,8 +11,3 @@
 {
 	return 0;
 }
-
-int board_early_init_f(void)
-{
-	return 0;
-}
diff --git a/board/intel/cougarcanyon2/Kconfig b/board/intel/cougarcanyon2/Kconfig
index 95a617b..4e7d021 100644
--- a/board/intel/cougarcanyon2/Kconfig
+++ b/board/intel/cougarcanyon2/Kconfig
@@ -21,5 +21,6 @@
 	select NORTHBRIDGE_INTEL_IVYBRIDGE
 	select HAVE_FSP
 	select BOARD_ROMSIZE_KB_2048
+	select BOARD_EARLY_INIT_F
 
 endif
diff --git a/board/intel/crownbay/Kconfig b/board/intel/crownbay/Kconfig
index b30701a..05626a9 100644
--- a/board/intel/crownbay/Kconfig
+++ b/board/intel/crownbay/Kconfig
@@ -20,5 +20,6 @@
 	select X86_RESET_VECTOR
 	select INTEL_QUEENSBAY
 	select BOARD_ROMSIZE_KB_1024
+	select BOARD_EARLY_INIT_F
 
 endif
diff --git a/board/intel/galileo/galileo.c b/board/intel/galileo/galileo.c
index 568bd4d..2fe1923 100644
--- a/board/intel/galileo/galileo.c
+++ b/board/intel/galileo/galileo.c
@@ -9,11 +9,6 @@
 #include <asm/arch/device.h>
 #include <asm/arch/quark.h>
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 /*
  * Intel Galileo gen2 board uses GPIO Resume Well bank pin0 as the PERST# pin.
  *