tests: retire Makefile integ; CI runs the SDK suite

- Delete grey-box *_integ / sdk_e2e trees; keep whitebox under sdk_suite
- Retain boot_test*.ld only for the TriCore early-ctx whitebox
- Point GitHub Actions integ jobs at tests e2e

Author: uLipe

.github/workflows/ci.yml

@@ -115,12 +115,12 @@ jobs:
       - name: Run unit tests
         run: python3 tools/dev.py tests unit
 
-  # ── Integration tests (tricore-elf-gcc + QEMU, ~12 suites × 120 s each) ───
+  # ── SDK suite (black-box QEMU, replaces legacy integ Makefile suites) ─────
   integ-tests:
-    name: Integration tests
+    name: SDK suite (TriCore)
     needs: docker-image
     runs-on: ubuntu-latest
-    timeout-minutes: 60
+    timeout-minutes: 90
     permissions:
       contents: read
       packages: read
@@ -140,8 +140,11 @@ jobs:
           docker pull "$IMG"
           docker tag  "$IMG" ulipe-microkernel:dev
 
-      - name: Run integration tests
-        run: python3 tools/dev.py tests integ
+      - name: Run SDK suite
+        run: python3 tools/dev.py tests e2e
+
+      - name: Run arch whitebox (TriCore CSA early)
+        run: python3 tools/dev.py tests integ --test sdk_suite/arch_whitebox/ctx_early_tricore
 
   # ── RISC-V: build ─────────────────────────────────────────────────────────
   build-riscv:
@@ -173,12 +176,12 @@ jobs:
             --component hello_world \
             --component ping_pong
 
-  # ── RISC-V: integration tests ─────────────────────────────────────────────
+  # ── RISC-V: SDK suite ─────────────────────────────────────────────────────
   integ-tests-riscv:
-    name: Integration tests (RISC-V)
+    name: SDK suite (RISC-V)
     needs: docker-image
     runs-on: ubuntu-latest
-    timeout-minutes: 60
+    timeout-minutes: 90
     permissions:
       contents: read
       packages: read
@@ -198,8 +201,8 @@ jobs:
           docker pull "$IMG"
           docker tag  "$IMG" ulipe-microkernel:dev
 
-      - name: Run integration tests
-        run: python3 tools/dev.py tests integ --board boards/qemu_riscv_virt
+      - name: Run SDK suite
+        run: python3 tools/dev.py tests e2e --board boards/qemu_riscv_virt
 
   # ── ARM Cortex-M: build (mps2-an500 M7 + mps2-an505 M33) ──────────────────
   build-arm:
@@ -235,12 +238,12 @@ jobs:
             --component hello_world \
             --component ping_pong
 
-  # ── ARM Cortex-M: integration tests ───────────────────────────────────────
+  # ── ARM Cortex-M: SDK suite ───────────────────────────────────────────────
   integ-tests-arm:
-    name: Integration tests (ARM ${{ matrix.board }})
+    name: SDK suite (ARM ${{ matrix.board }})
     needs: docker-image
     runs-on: ubuntu-latest
-    timeout-minutes: 60
+    timeout-minutes: 90
     strategy:
       fail-fast: false
       matrix:
@@ -264,5 +267,5 @@ jobs:
           docker pull "$IMG"
           docker tag  "$IMG" ulipe-microkernel:dev
 
-      - name: Run integration tests
-        run: python3 tools/dev.py tests integ --board boards/${{ matrix.board }}
+      - name: Run SDK suite
+        run: python3 tools/dev.py tests e2e --board boards/${{ matrix.board }}