fix comp time and rename feature to psram

kernel/Cargo.toml

@@ -11,11 +11,13 @@ doctest = false
 bench = false
 
 [features]
-default = ["rp235x", "defmt", "fps"]
-pimoroni2w = ["rp235x"]
-rp2040 = ["embassy-rp/rp2040"]
+default = ["rp235x", "defmt"]
+pimoroni2w = ["rp235x", "psram"]
+# rp2040 = ["embassy-rp/rp2040"] # unsupported, ram too small for fb
 rp235x = ["embassy-rp/rp235xb"]
 trouble = ["dep:bt-hci", "dep:cyw43", "dep:cyw43-pio", "dep:trouble-host"]
+psram = ["dep:embedded-alloc"]
+fps = []
 defmt = [
   "dep:defmt",
   "panic-probe/print-defmt",
@@ -30,7 +32,6 @@ defmt = [
   # "cyw43/defmt",
   # "cyw43-pio/defmt",
 ]
-fps = []
 
 [dependencies]
 embassy-executor = { version = "0.9", features = [
@@ -79,7 +80,6 @@ st7365p-lcd = { git = "https://github.com/legitcamper/st7365p-lcd-rs", rev = "a7
 embedded-graphics = { version = "0.8.1" }
 embedded-text = "0.7.2"
 embedded-layout = "0.4.2"
-kolibri-embedded-gui = "0.1.0"
 
 strum = { version = "0.27.2", default-features = false }
 rand = { version = "0.9.0", default-features = false }
@@ -91,7 +91,9 @@ spin = "0.10.0"
 num_enum = { version = "0.7.4", default-features = false }
 goblin = { version = "0.10.1", default-features = false, features = ["elf32"] }
 talc = "4.4.3"
-embedded-alloc = { version = "0.6.0", features = ["allocator_api"] }
+embedded-alloc = { version = "0.6.0", features = [
+  "allocator_api",
+], optional = true }
 bumpalo = "3.19.0"
 
 abi_sys = { path = "../abi_sys" }