[media] fe_property_parameters.rst: Adjust column sizes

Add position hints for some tables, in order for them to be
shown properly on LaTeX output.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/media/uapi/dvb/fe_property_parameters.rst b/Documentation/media/uapi/dvb/fe_property_parameters.rst
index f776d62..d7acc72 100644
--- a/Documentation/media/uapi/dvb/fe_property_parameters.rst
+++ b/Documentation/media/uapi/dvb/fe_property_parameters.rst
@@ -1234,6 +1234,7 @@
 
 Possible values are:
 
+.. tabularcolumns:: |p{5.0cm}|p{12.5cm}|
 
 .. _atscmh-rs-frame-mode:
 
@@ -1395,6 +1396,7 @@
 
 Possible values are:
 
+.. tabularcolumns:: |p{4.5cm}|p{13.0cm}|
 
 .. _atscmh-sccc-block-mode:
 
@@ -1687,6 +1689,7 @@
 enum fe_transmit_mode: Number of carriers per channel
 -----------------------------------------------------
 
+.. tabularcolumns:: |p{5.0cm}|p{12.5cm}|
 
 .. _fe-transmit-mode: