binman: Drop a special case related to fdt_fallback

Previously we were sometimes forced to collate x86 microcode due to not
having access to the offset of each individual piece. Now that we never
use fdt_fallback, we don't have this problem. Drop this special case from
the code.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/etype/u_boot_dtb_with_ucode.py b/tools/binman/etype/u_boot_dtb_with_ucode.py
index fc02c67..95405c6 100644
--- a/tools/binman/etype/u_boot_dtb_with_ucode.py
+++ b/tools/binman/etype/u_boot_dtb_with_ucode.py
@@ -57,17 +57,12 @@
             data_prop = node.props.get('data')
             if data_prop:
                 self.ucode_data += ''.join(data_prop.bytes)
-                if not self.collate:
-                    poffset = data_prop.GetOffset()
-                    if poffset is None:
-                        # We cannot obtain a property offset. Collate instead.
-                        self.collate = True
-                    else:
-                        # Find the offset in the device tree of the ucode data
-                        self.ucode_offset = poffset + 12
-                        self.ucode_size = len(data_prop.bytes)
                 if self.collate:
                     prop = node.DeleteProp('data')
+                else:
+                    # Find the offset in the device tree of the ucode data
+                    self.ucode_offset = data_prop.GetOffset() + 12
+                    self.ucode_size = len(data_prop.bytes)
         if self.collate:
             fdt.Pack()
             fdt.Flush()