fdt: Drop fdt_select.py

This file was used to select between the normal and fallback libfdt
implementations. Now that we only have one, it is not needed.

Drop it and fix up all users.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/control.py b/tools/binman/control.py
index 42d75ef..e9d48df 100644
--- a/tools/binman/control.py
+++ b/tools/binman/control.py
@@ -12,7 +12,7 @@
 import tools
 
 import command
-import fdt_select
+import fdt
 import fdt_util
 from image import Image
 import tout
diff --git a/tools/binman/etype/u_boot_dtb_with_ucode.py b/tools/binman/etype/u_boot_dtb_with_ucode.py
index 01ee36f..a384a75 100644
--- a/tools/binman/etype/u_boot_dtb_with_ucode.py
+++ b/tools/binman/etype/u_boot_dtb_with_ucode.py
@@ -6,7 +6,7 @@
 # Entry-type module for U-Boot device tree with the microcode removed
 #
 
-import fdt_select
+import fdt
 from entry import Entry
 from blob import Entry_blob
 import tools
diff --git a/tools/binman/fdt_test.py b/tools/binman/fdt_test.py
index df2b0a6..249a9ea 100644
--- a/tools/binman/fdt_test.py
+++ b/tools/binman/fdt_test.py
@@ -12,7 +12,7 @@
 import unittest
 
 import fdt
-from fdt_select import FdtScan
+from fdt import FdtScan
 import fdt_util
 import tools
 
diff --git a/tools/binman/func_test.py b/tools/binman/func_test.py
index 8960e23..8b4db41 100644
--- a/tools/binman/func_test.py
+++ b/tools/binman/func_test.py
@@ -21,7 +21,7 @@
 import command
 import control
 import entry
-import fdt_select
+import fdt
 import fdt_util
 import tools
 import tout