add gitlab issues in toml format

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diff --git a/gitlab/issues/target_arm/host_missing/accel_missing/2886.toml b/gitlab/issues/target_arm/host_missing/accel_missing/2886.toml
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+id = 2886
+title = "ACPI MADT advertises GITS even when disabled"
+state = "opened"
+created_at = "2025-03-28T15:50:00.229Z"
+closed_at = "n/a"
+labels = ["ACPI", "target: arm", "workflow::Patch available"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2886"
+host-os = "Linux"
+host-arch = "Host:x86 Guest:Arm"
+qemu-version = "9.2.3"
+guest-os = "Custom OS"
+guest-arch = "Arm (aarch64)"
+description = """As per the command line given above, QEMU shall emulate a GICv4 without GIC Interrupt Translation Service (GITS).
+
+The following happens:
+- ACPI **incorrectly** lists a GITS (type 0xf) structure in the MADT with GITS MMIO Base = 0x8080000
+- The OS reads that structure and interprets it to mean a GITS is present at the given MMIO address
+- Subsequent access to GITS MMIO causes a data abort (0x25) because QEMU doesn't emulate a GITS (as requested)
+
+The bug is thus that QEMU wrongly advertises GITS as present (via the MADT) when it is in fact absent."""
+reproduce = """1. Disable GITS emulation by passing `its=off` on the QEMU command line
+2. Check if a GITS structure is listed in the ACPI MADT (must be present in ACPI MADT only if GITS is enabled and absent otherwise)"""
+additional = """When booting with `its=on` (default), everything works as expected."""