fix(core/rust): convert bitcoin_only to an additive feature

universal_fw enables more features, as opposed to bitcoin_only removing features

core/SConscript.bootloader

@@ -216,7 +216,6 @@ def cargo_build():
         features = ["model_tr"]
     else:
         features = ["model_tt"]
-    features.append("bitcoin_only")
     features.append("ui")
     features.append("bootloader")
     features.extend(FEATURES_AVAILABLE)

core/SConscript.bootloader_emu

@@ -273,7 +273,6 @@ def cargo_build():
     if TREZOR_MODEL in ('R', '1'):
         features.append('button')
 
-    features.append("bitcoin_only")
     features.append("ui")
     features.append("bootloader")
 

core/SConscript.firmware

@@ -722,8 +722,8 @@ def cargo_build():
         profile = ''
 
     features = ['micropython', 'protobuf', ui_layout_feature]
-    if BITCOIN_ONLY == '1':
-        features.append('bitcoin_only')
+    if EVERYTHING:
+        features.append('universal_fw')
     features.append('ui')
     features.append('translations')
     if PYOPT == '0':

core/SConscript.unix

@@ -803,8 +803,8 @@ RUST_LIBPATH = f'{RUST_LIBDIR}/lib{RUST_LIB}.a'
 
 def cargo_build():
     features = ['micropython', 'protobuf', ui_layout_feature]
-    if BITCOIN_ONLY == '1':
-        features.append('bitcoin_only')
+    if EVERYTHING:
+        features.append('universal_fw')
     features.append('ui')
     features.append('translations')
     if PYOPT == '0':

core/embed/rust/Cargo.toml

@@ -7,7 +7,6 @@ build = "build.rs"
 
 [features]
 default = ["model_tt"]
-bitcoin_only = []
 crypto = ["zeroize"]
 model_tt = ["jpeg"]
 model_tr = []
@@ -49,7 +48,9 @@ test = [
     "backlight",
     "optiga",
     "translations",
+    "universal_fw",
 ]
+universal_fw = []
 
 [lib]
 crate-type = ["staticlib"]