Use power instead of power9

Author: nirinchev

.evergreen.yml

@@ -16876,7 +16876,7 @@ buildvariants:
       - name: compile_artifact
   - name: linux_ppc64le_build
     display_name: "RHEL 8 PPC (build)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     expansions:
       executable_os_id: linux-ppc64le
     tasks:
@@ -17064,7 +17064,7 @@ buildvariants:
       - name: e2e_tests_linux_arm64_openssl3
   - name: e2e_rhel81_ppc64le
     display_name: "RHEL 8 PPC (E2E Tests)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     tasks:
       - name: e2e_tests_linux_ppc64le
   - name: e2e_rhel72_s390x
@@ -17444,7 +17444,7 @@ buildvariants:
       - name: pkg_test_rpmextract_rpm_s390x
   - name: pkg_smoke_tests_rhel81_ppc64le
     display_name: "package smoke tests (RHEL 8 ppc64le)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     tasks:
       - name: pkg_test_rpmextract_rpm_ppc64le
 

.evergreen/evergreen.yml.in

@@ -1667,7 +1667,7 @@ buildvariants:
       - name: compile_artifact
   - name: linux_ppc64le_build
     display_name: "RHEL 8 PPC (build)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     expansions:
       executable_os_id: linux-ppc64le
     tasks:
@@ -1855,7 +1855,7 @@ buildvariants:
       - name: e2e_tests_linux_arm64_openssl3
   - name: e2e_rhel81_ppc64le
     display_name: "RHEL 8 PPC (E2E Tests)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     tasks:
       - name: e2e_tests_linux_ppc64le
   - name: e2e_rhel72_s390x
@@ -2007,7 +2007,7 @@ buildvariants:
       - name: pkg_test_rpmextract_rpm_s390x
   - name: pkg_smoke_tests_rhel81_ppc64le
     display_name: "package smoke tests (RHEL 8 ppc64le)"
-    run_on: rhel8-power9
+    run_on: rhel8-power-small
     tasks:
       - name: pkg_test_rpmextract_rpm_ppc64le