powerpc/boot/install.sh: Fix shellcheck warnings
authorMadhavan Srinivasan <maddy@linux.ibm.com>
Sun, 18 May 2025 04:41:07 +0000 (10:11 +0530)
committerMadhavan Srinivasan <maddy@linux.ibm.com>
Wed, 20 Aug 2025 08:35:18 +0000 (14:05 +0530)
commit8763d2257f5231cfdfd8a53594647927dbf8bb06
tree1ed3482d1bfee95451e4c24c0d2b06c2256e5164
parentd40ae9033418095642f65f4fd54dc5a7d292ee39
powerpc/boot/install.sh: Fix shellcheck warnings

Fix shellcheck warning such as
"Double quote to prevent globbing and word splitting." and
Use $(...) notation instead of legacy backticks `...`.

Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250518044107.39928-4-maddy@linux.ibm.com
arch/powerpc/boot/install.sh