Update RealThread_BSP-Tempalte.yaml

replace "-"  with "_"

RealThread_BSP-Tempalte.yaml

@@ -44,7 +44,7 @@ features:
 features_zh:
 - xxx
 template_projects:
-- project_name: cortex-m3
+- project_name: cortex_m3
   project_description: creat this peoject if user choose cortex-m3 template
   project_type: bare-metal|@notUsed|@notUsed
   builtin_files:
@@ -58,7 +58,7 @@ template_projects:
     - "README.md"
   external_files: []
 example_projects: 
-- project_name: cortex-m0
+- project_name: cortex_m0
   project_description: creat this peoject if user choose cortex-m0 template
   project_type: bare-metal|@notUsed|@notUsed
   builtin_files:
@@ -84,7 +84,7 @@ example_projects:
     files_and_folders:
     - "README.md"
   external_files: []  
-- project_name: cortex-m4
+- project_name: cortex_m4
   project_description: creat this peoject if user choose cortex-m4 template
   project_type: bare-metal|@notUsed|@notUsed
   builtin_files:
@@ -110,7 +110,7 @@ example_projects:
     files_and_folders:
     - "README.md"
   external_files: []
-- project_name: cortex-m0-scons
+- project_name: scons_project
   project_description: creat this peoject if user choose cortex-m0-scons template
   project_type: bare-metal|@notUsed|@notUsed
   builtin_files: