doc/configuration: drop additional empty lines

Signed-off-by: Bastian Krause <bst@pengutronix.de>

Author: Bastian-Krause

doc/configuration.rst

@@ -1047,7 +1047,6 @@ A :any:`USBTMC` resource describes an oscilloscope connected via the *USB TMC
 protocol*.
 The low-level communication is handled by the "usbtmc" kernel driver.
 
-
 .. code-block:: yaml
 
    USBTMC:
@@ -1134,7 +1133,6 @@ NetworkUSBFlashableDevice
 A :any:`NetworkUSBFlashableDevice` resource describes a `USBFlashableDevice`_
 resource available on a remote computer
 
-
 DediprogFlasher
 ~~~~~~~~~~~~~~~
 A :any:`DediprogFlasher` resource is used to configure the parameters to a
@@ -2660,7 +2658,6 @@ Binds to:
      dtb: '../images/mydtb.dtb'
      kernel: '../images/vmlinuz'
 
-
 Implements:
   - :any:`ConsoleProtocol`
   - :any:`PowerProtocol`