[mobile-broadband-provider-info] Add SpeedTalk Mobile MVNO

[Thomas Haller <thaller src gnome org>]

commit ba0edf2d99f864674fa9a1214e87242303c5b06b
Author: Ashish Shah <git ashishshah net>
Date:   Sun Mar 22 13:23:31 2020 -0500

    Add SpeedTalk Mobile MVNO
    
    https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info/-/merge_requests/12

 serviceproviders.xml | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)
---
diff --git a/serviceproviders.xml b/serviceproviders.xml
index 5cc649a..e5c9d44 100644
--- a/serviceproviders.xml
+++ b/serviceproviders.xml
@@ -3836,7 +3836,7 @@ conceived.
                        </apn>
                </gsm>
        </provider>
-       <!-- Onfone: https://www.onfone.dk/Kundeservice/mobil/saet_din_mobil_op/internet-gprs-3g/ --> 
+       <!-- Onfone: https://www.onfone.dk/Kundeservice/mobil/saet_din_mobil_op/internet-gprs-3g/ -->
        <provider>
                <name>Onfone Internet DK</name>
                <gsm>
@@ -8085,7 +8085,7 @@ conceived.
                        <network-id mcc="457" mnc="01"/>
                        <balance-check>
                                <ussd>*122#</ussd>
-                       </balance-check>                        
+                       </balance-check>
                        <apn value="ltcnet">
                                <plan type="prepaid"/>
                                <usage type="internet"/>
@@ -11831,7 +11831,7 @@ conceived.
                <gsm>
                        <network-id mcc="240" mnc="01"/>
                        <network-id mcc="240" mnc="05"/>
-                       
+
                        <!-- http://multicomsecurity.se/produkter-tjanster/mobil-datakommunikation/mobiflex/ 
-->
                        <apn value="mobiflex.telia.se">
                                <plan type="postpaid"/>
@@ -13898,6 +13898,24 @@ conceived.
                        </apn>
                </gsm>
        </provider>
+       <provider>
+               <!-- MVNO operating on T-Mobile/Sprint -->
+               <name>SpeedTalk Mobile</name>
+               <gsm>
+                       <network-id mcc="310" mnc="260"/>
+                       <apn value="mobilenet">
+                               <plan type="prepaid"/>
+                               <usage type="internet"/>
+                               <name>Broadband</name>
+                       </apn>
+                       <apn value="wholesale">
+                               <plan type="prepaid"/>
+                               <usage type="mms"/>
+                               <name>Cellular (MMS)</name>
+                               <mmsc>http://wholesale.mmsmvno.com/mms/wapenc</mmsc>
+                       </apn>
+               </gsm>
+       </provider>
        <provider>
                <name>Lycamobile</name>
                <gsm>