Add VDSO functionality under the riscv64 architecture. #6036

Job	Run time
generate-matrix	11s
RTduino_Arduino Libraries (STM32F412 Nucleo)	5m 30s
others_ft32_mm32_acm32	45m 34s
RTduino_Arduino Libraries (Raspberry Pico)	5m 55s
at32_hc32_ht32	4m 22s
stm32l4	8m 12s
nuvoton	3m 19s
stm32_f7_g0_h7_mp15_u5_h5_wb5	6m 10s
nxp_renesas	4m 17s
stm32f0_f1	4m 4s
mips	1m 30s
Infineon_TI_microchip	5m 46s
gd32_n32_apm32	3m 54s
stm32_f2_f4	9m 39s
i386-unknown	54s
riscv64-unknown	2m 0s
riscv-none	1m 19s
aarch64	22m 30s
llvm-arm	3m 12s
RT-Thread Online Packages (STM32F407 RT-Spark)	5m 21s
hpmicro	1m 4s
arm-none-bsp-smart	2m 9s
K230	1m 18s
simulator	1m 7s
ESP32C3	6m 46s
nordic(yml)	6m 54s
collect-artifacts	0s
	2h 42m 57s

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