Migrate grc blocks from xml to yaml

Convert the blocks using cmdline_converter.py script from
https://gist.githubusercontent.com/haakov/4228ff6a14486641add538483093e86b/raw/c861a840e31182ace2e74f5425e356cb4f8b183a/cmdline_converter.py

Change-Id: Iee5c611a2e100bd2fdf487611a867dc937d8c292
diff --git a/grc/decryption/CMakeLists.txt b/grc/decryption/CMakeLists.txt
index 29d86f4..e71e466 100644
--- a/grc/decryption/CMakeLists.txt
+++ b/grc/decryption/CMakeLists.txt
@@ -18,5 +18,6 @@
 # Boston, MA 02110-1301, USA.
 
 install(FILES
-    gsm_decryption.xml DESTINATION share/gnuradio/grc/blocks
+    gsm_decryption.block.yml
+    DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/grc/decryption/gsm_decryption.block.yml b/grc/decryption/gsm_decryption.block.yml
new file mode 100644
index 0000000..8260907
--- /dev/null
+++ b/grc/decryption/gsm_decryption.block.yml
@@ -0,0 +1,31 @@
+# auto-generated by grc.converter
+
+id: gsm_decryption
+label: Decryption
+
+parameters:
+-   id: k_c
+    label: Kc session key
+    dtype: int_vector
+    default: '[0,0,0,0,0,0,0,0]'
+-   id: a5_version
+    label: A5 version
+    dtype: int
+    default: '1'
+
+inputs:
+-   domain: message
+    id: bursts
+
+outputs:
+-   domain: message
+    id: bursts
+asserts:
+- ${ a5_version > 0 }
+- ${ a5_version < 5 }
+
+templates:
+    imports: import grgsm
+    make: grgsm.decryption(${k_c}, ${a5_version})
+
+file_format: 1
diff --git a/grc/decryption/gsm_decryption.xml b/grc/decryption/gsm_decryption.xml
deleted file mode 100644
index 4f3de22..0000000
--- a/grc/decryption/gsm_decryption.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0"?>
-<block>
-  <name>Decryption</name>
-  <key>gsm_decryption</key>
-  <import>import grgsm</import>
-  <make>grgsm.decryption($k_c, $a5_version)</make>
-
-  <param>
-    <name>Kc session key</name>
-    <key>k_c</key>
-    <value>[0,0,0,0,0,0,0,0]</value>
-    <type>int_vector</type>
-  </param>
-
-  <param>
-    <name>A5 version</name>
-    <key>a5_version</key>
-    <value>1</value>
-    <type>int</type>
-  </param>
-
-  <check>$a5_version &gt; 0</check>
-  <check>$a5_version &lt; 5</check>
-
-  <sink>
-    <name>bursts</name>
-    <type>message</type>
-  </sink>
-  <source>
-    <name>bursts</name>
-    <type>message</type>
-  </source>
-
-</block>