MAINTAINERS: Add entry for RISC-V ACPI

RISC-V ACPI related functionality for virt machine is added in
virt-acpi-build.c. Add the maintainer entry after moving the
ARM ACPI entry under the main ACPI entry.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230302091212.999767-9-sunilvl@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 011fd85..26bf14b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -999,12 +999,6 @@
 F: hw/ssi/xlnx-versal-ospi.c
 F: include/hw/ssi/xlnx-versal-ospi.h
 
-ARM ACPI Subsystem
-M: Shannon Zhao <shannon.zhaosl@gmail.com>
-L: qemu-arm@nongnu.org
-S: Maintained
-F: hw/arm/virt-acpi-build.c
-
 STM32F100
 M: Alexandre Iooss <erdnaxe@crans.org>
 L: qemu-arm@nongnu.org
@@ -1892,6 +1886,18 @@
 F: docs/specs/acpi_pci_hotplug.rst
 F: docs/specs/acpi_hw_reduced_hotplug.rst
 
+ARM ACPI Subsystem
+M: Shannon Zhao <shannon.zhaosl@gmail.com>
+L: qemu-arm@nongnu.org
+S: Maintained
+F: hw/arm/virt-acpi-build.c
+
+RISC-V ACPI Subsystem
+M: Sunil V L <sunilvl@ventanamicro.com>
+L: qemu-riscv@nongnu.org
+S: Maintained
+F: hw/riscv/virt-acpi-build.c
+
 ACPI/VIOT
 M: Jean-Philippe Brucker <jean-philippe@linaro.org>
 S: Supported