riscv-qemu: increase stack size

Bumping the stack size to 8kb (previous was 4kb) gets most remaining
tests to pass on baremetal.

GNUmakefile

@@ -431,17 +431,10 @@ TEST_PACKAGES_NONWASM = \
 #     (just like wasm).
 #   * picolibc math functions apparently are less precise, the math package
 #     fails on baremetal.
-#   * Some packages fail or hang for an unknown reason, this should be
-#     investigated and fixed.
 TEST_PACKAGES_BAREMETAL = $(filter-out $(TEST_PACKAGES_NONBAREMETAL), $(TEST_PACKAGES_FAST))
 TEST_PACKAGES_NONBAREMETAL = \
 	$(TEST_PACKAGES_NONWASM) \
-	crypto/elliptic \
 	math \
-	reflect \
-	encoding/asn1 \
-	encoding/base32 \
-	go/ast \
 	$(nil)
 
 # Report platforms on which each standard library package is known to pass tests

targets/riscv-qemu.json

@@ -2,7 +2,7 @@
 	"inherits": ["riscv32"],
 	"features": "+32bit,+a,+c,+m,+zmmul,-b,-d,-e,-experimental-smmpm,-experimental-smnpm,-experimental-ssnpm,-experimental-sspm,-experimental-ssqosid,-experimental-supm,-experimental-zacas,-experimental-zalasr,-experimental-zicfilp,-experimental-zicfiss,-f,-h,-relax,-shcounterenw,-shgatpa,-shtvala,-shvsatpa,-shvstvala,-shvstvecd,-smaia,-smcdeleg,-smcsrind,-smepmp,-smstateen,-ssaia,-ssccfg,-ssccptr,-sscofpmf,-sscounterenw,-sscsrind,-ssstateen,-ssstrict,-sstc,-sstvala,-sstvecd,-ssu64xl,-svade,-svadu,-svbare,-svinval,-svnapot,-svpbmt,-v,-xcvalu,-xcvbi,-xcvbitmanip,-xcvelw,-xcvmac,-xcvmem,-xcvsimd,-xesppie,-xsfcease,-xsfvcp,-xsfvfnrclipxfqf,-xsfvfwmaccqqq,-xsfvqmaccdod,-xsfvqmaccqoq,-xsifivecdiscarddlone,-xsifivecflushdlone,-xtheadba,-xtheadbb,-xtheadbs,-xtheadcmo,-xtheadcondmov,-xtheadfmemidx,-xtheadmac,-xtheadmemidx,-xtheadmempair,-xtheadsync,-xtheadvdot,-xventanacondops,-xwchc,-za128rs,-za64rs,-zaamo,-zabha,-zalrsc,-zama16b,-zawrs,-zba,-zbb,-zbc,-zbkb,-zbkc,-zbkx,-zbs,-zca,-zcb,-zcd,-zce,-zcf,-zcmop,-zcmp,-zcmt,-zdinx,-zfa,-zfbfmin,-zfh,-zfhmin,-zfinx,-zhinx,-zhinxmin,-zic64b,-zicbom,-zicbop,-zicboz,-ziccamoa,-ziccif,-zicclsm,-ziccrse,-zicntr,-zicond,-zicsr,-zifencei,-zihintntl,-zihintpause,-zihpm,-zimop,-zk,-zkn,-zknd,-zkne,-zknh,-zkr,-zks,-zksed,-zksh,-zkt,-ztso,-zvbb,-zvbc,-zve32f,-zve32x,-zve64d,-zve64f,-zve64x,-zvfbfmin,-zvfbfwma,-zvfh,-zvfhmin,-zvkb,-zvkg,-zvkn,-zvknc,-zvkned,-zvkng,-zvknha,-zvknhb,-zvks,-zvksc,-zvksed,-zvksg,-zvksh,-zvkt,-zvl1024b,-zvl128b,-zvl16384b,-zvl2048b,-zvl256b,-zvl32768b,-zvl32b,-zvl4096b,-zvl512b,-zvl64b,-zvl65536b,-zvl8192b",
 	"build-tags": ["virt", "qemu"],
-	"default-stack-size": 4096,
+	"default-stack-size": 8192,
 	"linkerscript": "targets/riscv-qemu.ld",
 	"emulator": "qemu-system-riscv32 -machine virt -nographic -bios none -device virtio-rng-device -kernel {}"
 }